Latest Discussions : Electrical & Lighting

msomaha

07:46PM | 05/26/06
Member Since: 05/25/06
3 lifetime posts


We purchased a home about a year ago that had three hard-wired smoke detectors installed. All of them were BRK Electronics Model 2002RAC. All have a 9-volt battery backup. They attach directly to three wires coming out of the ceiling using a connector plug that is on the end of the wires.

We believe they all were ionization-type detectors.

We had no problems with this system until about two months ago when the smoke detector on the top floor, where the bedrooms are located, began chirping randomly. It would chirp loudly, with the chirps spaced 10 to 15 seconds apart, for at least three to six times and then it would be silent. This often happened in the middle of the night, waking the entire household including our young child.

We replaced the battery but the problem just continued to get worse, with the random beeping starting to occur at all times of the day and night.

We decided that, perhaps, the smoke detector just needed to be replaced. We did not know how long it had been there but the house was 22 years old.

We could not find another BRK hard-wire with battery backup in our area. We had a still-in-box smoke detector/CO detector on our basement shelf that we had not installed in our old house, so we decided to use that. It is a Kitty Nighthawk KN-COSM-B. It is battery-powered only, not hard-wired, and we used a brand new battery. We believe it also is an ionization-type detector.

The random chirp began happening again within a day or so of putting in the new detector. We replaced the battery with yet another new battery. Yet, the chirp continues. Many times, the chirping happens when we have windows open, but not always.

Last night the chirping woke us all up again at 3 a.m. and my husband yanked the smoke detector off the ceiling. To our amazement, the chirping continued - apparently coming from the wires and connector dangling from the ceiling with no alarm attached to them.

We thought at first that we must be hearing things wrong and that the chirping must be coming from the smoke detector on the first floor. But we stood right under that gaping hole in the ceiling with the dangling wires and it was beeping at us.

Can someone help us? What is going on here? How do we stop this? The beeping is driving us nuts, depriving us of sleep, and forcing us to go without a smoke detector on the sleeping floor of the house in order to keep our sanity.

How can things keep beeping when no smoke alarm is there? Is it feasible for the wires and connector themselves to be emitting a beep?

Any insight, help, fix-it advice would be appreciated.

Thank you.

msomaha

08:29PM | 05/26/06
Member Since: 05/25/06
3 lifetime posts


I could not find an obvious way to edit my post and I need to make a couple of corrections/clarifications.

First, it looks like our original BRK smoke detector was a photoelectric detector, not an ionization detector. Our current detector, a Kiddie Nighthawk (spelled Kiddie wrong the first time) is an ionization detector.

Second, does the housing up in the ceiling that holds the wires for the detector have a speaker or amplifier in it that is allowing us to hear the beep when no detector is connected?

We have a theory and would appreciate any feedback:

The original BRK detector was old and went bad, somehow losing its connection to the other detectors in the house and so causing the periodic chirping. Please note, the chirping never has been continual.

We put a battery operated detector up there and that does not stop the chirping because it is not connected to the wires, so the system still detects an interrupted connection somewhere and chirps.

Is this possibly our issue? If so, will finding another BRK hard-wired detector and putting it up there solve the problem?

Thank you everyone.

Billhart

04:42AM | 05/27/06
Member Since: 04/25/05
1915 lifetime posts
No way can the wires/connector make the sound.

And I don't know of any normal installation that would include anything else in or around the box.

I suspect that the sound is something completely different. Something in the attic and it is "coming though" the box as it is penatration into the otherwise "sealed" ceiling.

Go into the attic and check it out.

Also get some foam in a can seal the back side of the box.

And look around and see if there is anything around the box. The previous owner might have installed something else. Maybe a home rigged alarm for an open garage door or somethign like that.

But the main too things that I can think of would be a bad bearing on a wind turbine roof vent. Or a it you have HVAC equipment in the attic a bad bearing on the fan or fan motor.

Either one will make "somewhat" random sqeaking/chirping sounds.

Lets us know what you find.


househelper

09:09AM | 05/27/06
Member Since: 03/31/05
265 lifetime posts
Look for a smoke detector that has been installed in the attic. Take it out, you do not need one there.

Find the breaker that controls the detectors and turn it off. See if the chirping continues. If so, look for a bad turbine bearing, bird nest, other critter nest.

msomaha

09:39AM | 05/27/06
Member Since: 05/25/06
3 lifetime posts
Thank you to both replies so far to my post.

I wanted to note that when I say the detector is chirping, I mean a loud, abrupt beep. This is not a sweet chirp that a bird might make or even a bad bearing on a mechanical system. This is the kind of beep that is shrill and loud that smoke detectors emit to wake you up. But instead of a continuous "beep, beep, beep, beep" that you get when there is smoke detected, it's just a single "beep," then silence for 10 to 15 seconds, then another "beep." This is a beep that can be heard all over the house and is loud enough that it has awakend us in the middle of the night.

It is similar to the kind of periodic beep you hear when the battery is dying in the detector. But, as I explained in my original post, we know it is not the battery.

We are going to make another run through the attic to check for a smoke detector up there, but we've never seen one.

We have no mechanicals up there either except for a radon system fan which is at the other end of the house, not right above where the smoke detector is located. Also, if the radon fan begins to fail even a little bit, its performance gauge drops and the performance gauge is right on target so the fan is operating normally.

Next time the beep sounds, we'll go for the breaker first to see if it stops the beep. If it doesn't we'll know it is coming from something else other than the smoke detector system.

Thanks all.

mbayer

09:03AM | 11/08/07
Member Since: 11/07/07
1 lifetime posts
We are having the identical problem in our house in the same location and did the same trying to fix it(new battery, new smoke detector one with hard wiring one with battery alone).

No effect.

I guess it is temperature related. When the temp drops at night the battery voltage drops and the electronics may pick up on it.

We are going to put the battery operated one in the fridge tonight to check.

Maybe a call to the manufacturer is i order.

WilsonRoy

07:06PM | 06/30/08
Member Since: 06/29/08
1 lifetime posts
Has anyone come up with an answer to this problem? My grandson has a almost new house and has the same problem.

lynda99

02:24AM | 01/15/09
Member Since: 01/14/09
1 lifetime posts
We have three hard-wired Firex smoke detectors with battery back-up. One of them is chirping/beeping at random and at odd hours (often at 4am). We removed them all and took the batteries out and the sound still seems like it is coming from the ceiling. There is no attic above us, just another condo. Any advice welcome!

Tom O

03:39AM | 01/15/09
Member Since: 09/17/02
476 lifetime posts
Since you mentioed the brand name, try this site by Firex

http://www.firexsafety.com/homedir/en/ProductsServices/Firex/OnlineServices/FAQ/frequently+asked+questions.htm

Fo anyone else with this problem, try doing a search for the manufacturer & then visit their site.

pokeogh

06:39AM | 08/23/09
Member Since: 08/22/09
1 lifetime posts
We are having the same problem and are desperate for a solution. I, also, thought that maybe it had to do with temperature. It has been very humid for weeks so maybe it is more to do with moisture then the actual temperture. I will keep checking the sight for ideas and advice. Thanks and good luck to all!

wcwbrennan

04:33AM | 02/10/10
Member Since: 02/09/10
2 lifetime posts
Spooky how similar my issue is. One smoke detector chirping LOUDLY in the wee hours of the morning on the second story. Have contacted the contractor that installed our security system to see if they have any answers. Will post here if they have any useful guidance.

BoyWonder

07:47PM | 04/25/10
Member Since: 04/24/10
1 lifetime posts
The beep is not coming from the disconnected harness , and certainly not from the exposed wires . It is likely a detector elsewhere or a different electronic device; those tones can bounce around the house . Make sure you haven't overlooked a detector somewhere.

Disconnect all detectors and remove the batteries . Simply removing the battery does you no good; it's the same as a dead battery . That is actually a very common mistake .

While you have the alarms removed, you might as well take some compressed air to clean them . Place the alarms somewhere out of hearing range, and hunt down any other beeps.

Some brands tend to have this problem.

Especially in the morning, when the moisture begins to condensate inside our homes . It is usually the coolest time of the day isn't it? A different brand and model does not seem to have this problem so much.

wcwbrennan

03:55AM | 04/26/10
Member Since: 02/09/10
2 lifetime posts
Turns out my situation was much simpler than I thought, and most of the nightmares listed here. Replacing the back-up battery resolved my issues. I also followed the step-by step posted at http://www.ehow.com/how_4741675_stop-smoke-alarm-beeping.html.

Good luck.

crdemers

10:45AM | 11/26/10
Member Since: 11/25/10
2 lifetime posts
I have a 3 year old home. The house has seven (7) smoke detectors, four (4) CO detectors, and, in the garage, two (2) heat detectors. All of the units have hard-wired power with battery (9V) back-up, all connected in a single network. The chirping happened about a year ago. I replaced all 13 batteries, tested every unit successfully (when you press a unit's test button, it sounds its own alarm first, then echos the alarm in all other units, then repeats this process, then re-sets. Then every 35-45 seconds (timed check occurred usually every 44 seconds, though sometimes as short an interval as 35 seconds or as long as 45 seconds), one of the units, a unit in an open area between upstairs bedrooms, chirps once. A repeat of the four upstairs alarm units resulted in a more than five (5) minute cessation of the chirping routine. So, I thought the insanity generator had ceased. Not so. It resumed its chirping in 35-45 second intervals. A re-test of EVERY unit proved every unit functions properly, has a connection to the network and the power source, etc. EVERY unit has a brand new 9V battery. Every unit has the battery properly installed (a battery installed backwards results in a shrill alarm immediately - I tested that concept). BRK electronics makes all three (3) types of the alarms in this home network. All 13 units have no dust or cobwebs. Bottom line: ALL the units and the network pass every test any expert or commentator online has mentioned. With so many online entries mentioning that their home smoke/CO/heat sensors/alarms chirp falsely at frequent and random times, it seems that until the home alarm industry can solve this problem, the US citizens will likely die from insanity or suicide before ever facing the risk of smoke or CO. I recommend immediate removal of ALL home smoke/CO/heat sensors/alarms until the industry clearly proves, beyond a doubt that every unit they offer for sale works properly, sells at an economical price, has a simple bypass for a single defective unit (if it decides to start waking the household with a false alarm or battery replacement chirp in the middle of the night), that has a simple (no glue, no more than two screws, a standard plug/pigtail wire connector, etc.) replacement process, and ALL manufacturers follow a STANDARD INSTALLATION PROCESS and STANDARD BATTERY REPLACEMENT PROCESS. Annual (or semi-annual) battery replacement should take no longer than five (5) seconds per unit. Current replacement times, with non-standard battery replacement (ALL from the SAME MANUFACTURER!) from unit to unit, with no clear battery polarity (+/-) indicators -- some have a swing-out compartment, some have a slide-out battery compartment, some have a battery wire harness, some require full cover removal, some require partial cover removal, some have a clip-off battery cover, some have one screw battery covers, some have two or four screw battery covers, some have phillips head screws, some have slot-head screws, all take 1-2 minutes (minimum) per unit for battery replacement. We want the detectors/alarms for the safety of our families, not to support the profit margins of the alarm companies.

BV000023

08:20PM | 12/28/12
Some of these issues are due to ghosts visiting/passing through. Ghosts, as in apparitions. I know it sounds bogus, but believe me...

Teeninchee

05:02AM | 01/20/13
Member Since: 01/20/13
2 lifetime posts
Same problem. Since it tends to happen in the middle of the night and I didn't want to go into the cold garage to break the circuit and change the battery (hardwired), I went to the website recommended in an earlier post and read... but the key thing I noted was RESET the alarm (red button for at least 15 seconds) and CLEAN the sensor...

I held the reset button for 30 seconds, and not wanting to vacuum at 2 am... I stood on my tiptoes on the chair, BLEW on the sensor area a few times...and SILENCE. Thank the Lord.

I'll change the battery in the morning--and reset it properly.

*************************************

Answer: The smoke alarm will chirp at a regular interval, about once every minute, when the battery is weak and needs to be replaced. On units with the Visible Low Battery Indicator feature, the red LED will blink approximately 4 times a minute. Replace with a fresh 9 Volt battery. FireX Alarms are certified to be used with the following models of batteries: Eveready 216, 522, 1222, Duracell MN 1604 or Ultralife U9VL-J. Do not use any type of rechargeable battery. Once the battery is replaced, the beeping or chirping should stop. If the unit chirps at seemingly random times or at random intervals after replacing the battery, check for the following conditions:

1) The battery may be loose, or improperly installed.

Make sure the battery is fresh, and that it is snapped in all the way so it cannot be shaken loose. It’s possible that battery connections may not be making good contact with the battery. Disconnecting and re-connecting the battery once or twice will likely fix this condition. On units with a front-load battery, be sure that the battery compartment door is closed completely.

2) The smoke alarm cover may be dirty.

Dust and insects can collect in the sensing chamber of the alarm. An accumulation of dust in the sensing chamber can cause the unit to chirp. It is good practice to clean the smoke alarm when you change the battery.

Cleaning smoke alarms:

Remove the alarm from the wall or ceiling and hold the unit on its side. There is a gap between the front cover and the back plate. Take a vacuum cleaner with a crevice tool and clean all around the gap area. Pay most attention to the sensor, which you will see in the gap area. The sensor looks like a small tin can with slots in it.

3) Reset the alarm.

Most current model smoke alarms have a processor that retains certain error conditions, such as a weak battery. The error condition should reset when the battery is replaced but sometimes it does not and must be manually reset to clear the error.

To reset an AC unit with a battery backup:

Turn off the power to the smoke alarm at the circuit breaker. Remove the smoke alarm from the mounting bracket and disconnect the power. Remove the battery. Press and hold the test button for at least 15 seconds. The unit may chirp or alarm for a few seconds before going silent. Reconnect the power and reinstall the battery. The unit will chirp once when the power is restored and should not chirp afterwards."

BV000404

04:33PM | 02/17/13
I have 4 electric smoke detectors that are beeping loudly in the middle of the night for a few beeps. I'm assuming that I need to replace them, but I can't find the brand name anywhere on the case. It just says they are electric with no battery back-up. I bought this townhouse a little over a year ago and the previous owners left me lots of manuals but not the manual for these smoke detectors. Where do I find the brand name?

BV000464

07:41PM | 02/27/13
we have the BRK 2002RAC. today all detectors went off and would not stop. there was no smoke anywhere..or any type of heat. ist issue we have ever had with them. I replace batteries every year so its not that. I tried to plug one back in..but smae thing. any suggestions on what the problem could be?

BV000646

07:08AM | 03/21/13
Same issue here, detectors going off in the middle of the night for no reason. Need to find the manufacturer after taking one down...

BV000647

07:32AM | 03/21/13
I have the same problem as the original poster. I unplugged the smoke detector and there is still a beeping coming from the ceiling. I've replaced all batteries, I've replaced the beeping detector and still it beeps. I guess I will check the attic to see if there is a detector up there.

BV000700

01:21PM | 03/29/13
We are currently having the same issue as the original poster as well... now the chirping is every three hours like clockwork and lasts for half and hour. Driving us crazy. The alarm that is still chirping is not even attached to the wall anymore, its as if the wires are chirping! Not possible it seems but that's whats happening...

BV000806

04:27PM | 04/11/13
MSOMAHA, did you figure out the source of the annoying chirping yet? Did you try shutting off the power to see if it continued? I agree with the other poster, there has to be another source emitting that beeping sound. Another detector, or anything that may beep when the battery is low. My grandmother had a similar problem once and we searched her home high and low several times trying to find out what was beeping once about every five minutes. I finally opened a kitchen drawer and found her old cellphone there which she had never turned off. It was beeping because of the low battery. We couldn't believe it. Good luck!

BV001029

04:28AM | 05/15/13
Im having this issue with a battery operated detector. Replaced it with a new unit and the new one is chirping three times once every half hour in the middle of the night. How can it be happening with a new unit with new batteries and why only when i am sleeping?

BV001040

02:51PM | 05/16/13
i am having same issue. i took the detector away and put it in the garage when it was originally connected in the hallway of our living room. STILL BEEPS! there is no smoke detector and Fn thing still beeps somewhere up in the ceiling. its very annoying.

BV001174

01:46PM | 05/29/13
Ok I have the same issue in the open hallway near the back door. I have determined that it is temperature related. If I leave the heating on then the chirping stops or during the summer if we have a colder night the chirping starts up again. I guess this detector is more sensitive than most( poor thing) and its position also has an effect.

Good luck.

BV001205

09:32AM | 06/02/13
Same issues with chirping Firex alarms. It's been going on for 8 years in our vacation/rental home. I finally put in wireless detectors that are connected to our alarm monitoring. One by one, I've disconnected and removed batteries from the firex models. I did the last 4 today after one went off and I couldn't get it to stop. But after I have disconnected them all and removed batteries, one keeps chirping?? I ant figure out how ? Or how to get it to stop

BV001217

05:49AM | 06/04/13
omg its happening here too! The hard wired one in the master bedroom, no less. I also think it is temp related, as ours does it during the night when it's cooler. If I turn off the air conditioning it seems to stop after awhile, once the temp comes up a bit. I'm ready to take a sledge hammer to the thing, and sleep has become a luxury.

BV001352

03:29AM | 06/19/13
I have a hardwired system. The one in the bedroom started chirping every 40 seconds. There are 4 detectors upstairs and one in the downstairs hall. Green lights were blinking on all. I replaced all batteries and the master bedroom one still chirps. Green lights not blinking any more. I removed it from the ceiling and turned the circuit breaker off. It still chirps. The fire dept said they have come across similar situations. I am calling an electrician in the morning. Will likely have hardwired system removed and go to strictly battery ones where I can at least throw out one if it becomes defective.

BV001495

01:51PM | 07/06/13
I have the full alarm going off at night! We just rented a 10-year-old home a month ago. Everything was fine until 4 nights ago. For the last 4 nights, all 6 of the hardwired smoke alarms (First Alert) have gone off. It lasts anywhere from 3 seconds to 15 minutes, and it occurs between 2-6AM. Sometimes the windows are open, sometimes not. To make the issue more strange, our neighbors across the street had their alarm go off this morning at 5AM. As they are gone for the holiday weekend, it lasted 4 hours. We are exhausted! Batteries have been been changed, detectors vacuumed. What the heck???

BV001516

04:53AM | 07/09/13
We have a 15 year old home we just moved into & we r having the same problem. it's 3:50am and we are wide awake! Any suggestions are appreciated. thanks

BV001540

07:26AM | 07/11/13
Great. I have the 45 second chirp issue in the middle of the night. I search the Internet and wind up here, where I discover you all have the same problem with no solutions. 13 year old home. Master bedroom issue only. New batt twice over the last week or so didn't matter. I'm not about to break out the vac, a ladder, at this hour. It's probably not the issue anyway.
Just venting here I guess cause I sure ain't sleepin'. Hammer in the morning.

BV001540

07:51AM | 07/11/13
I found the solution. Since I could handle it anymore, I got out the ladder, pulled the batt, twisted the case and pulled it down. Nice Ez connector to separate from house wiring. Pulled the whole detector off. It's quite now. Goodnight.

BV001576

08:38AM | 07/16/13
Make sure all the brands of smoked detectors match throughout the house.

BV001591

04:17PM | 07/17/13
We are having the same chirping every 45 sec! I pulled firex smoke detector off and took it to him depot and bought a new one with battery backup this time. Unfortunately we still have the same chirping going on! Even when I removed the detector there is chirping...like in the wires or something. Has anyone found a solution yet?

BV001620

01:45PM | 07/20/13
Turns out for us, it was our CO2 monitor - which was located close to the hard-wired smoke detector. We thought the chirping was from the smoke detector, but instead, from the CO2. It had an ERR reading on it - we tried to spray the dust out - but the Error reading and chirping continued. We removed the CO2 monitor and will replace with a new one. Chirping stopped.

BV001591

09:27AM | 07/22/13
Wow! Same with us! It turned out to be the CO2 monitor located near the smoke detector! So glad the chirping has stopped!!

BV001656

01:21AM | 07/25/13
Have you checked your detector for spiders or other insects? My smoke detector has gone off (3 beeps at a time) a few times tonight and when I ran a vacuum over it a new friend came out to say hi. My wife didnt find him to be too friendly so I killed it. The detector hasnt gone off since.

BV001660

05:33PM | 07/25/13
We have had 1 of our 6 hard-wired smoke detectors beeping/chirping at random times, night and day for 2 years. We go for long stretches where it's OK and then we have 3-4 days of hell. We vacuum, replace batteries, do all of the things all of you are doing. I've just spent the entire day listening to it every 4-5 minutes, and I just went up and took it down from the ceiling. The beeping continued from the gaping hole with 3 wires dangling!!! There are lot's of complaints here, but not many answers!

BV001677

11:24PM | 07/27/13
We are having the same issue. Definitely coming from smoke detector and only beeps at night when temperature inside the house drops below 70 degrees. Help .

BV001690

11:08PM | 07/28/13
I am having a similar issue. All new FirstAlert hardwired installed throughout house 6 months ago. Combos in halls are fine, but the smoke ones in the bedrooms (4) all take turns randomly making 3 fast beeps. Sometimes its one room then I dont notice it for a few days. Sometimes another room might do it twice in 20 min. Other times its one room every 3 hours or so. More at night than day, but sometimes in the day. They have done this since the day they were installed.

BV001795

01:06AM | 08/11/13
I thought that my hard wired smoke detector was beeping from within the ceiling as well as some of the others who have posted on here . It was in fact one of the other battery operated ones that are also in the home that was chirping. Check them all if you are having this issue ..maybe you will get lucky and it was a battery !

BV001815

08:55PM | 08/13/13
All green lights are solid and on. New batteries throughout. Still chirping!!!!!

BV001876

08:53AM | 08/21/13
Have you tried running a test? Mine would chirp after replacing the batteries if it hadn't been tested. Just hold down the yes button for about 9 seconds to rum through a few test cycles and you should be good to go.

BV001936

09:20AM | 08/28/13
Hi all, I have been dealing with the same issue and have a possible cause. I recently changed all hard wired units in the second floor and chirping went away for about a month. Low and behold it happened again today. I came on the sight to find an answer but no one seams to have figured it out. I think I may have stumbled app on a cause. If anyone thinks this may be their cause please repost. Here goes. I have three bedroom with window air conditioners. Two of the rooms door was closed and nice and cool the third had the air turned off and was about 20 degrees hotter. Is it possible that the temp in the one room wasn't close to the other and cause it to alarm? anyone?

BV001990

11:38AM | 09/02/13
I have several hard wired smoke detectors and once in a while, invariable in the middle of the night, ALL of the detectors start sounding (not brief "low battery" chirps) long undulating waves of high frequency tones. This goes on for 15 - 30 seconds and then stops only to do this a few more times before stopping completely. Usually this happens in the fall during humid weather when there may be thunderstorms in the region (not in the immediate area). My theory is that these detectors have the capacity to collectively sound when any one unit goes off (this is a good thing) but that some freak signal coming over the power wires is mimicking the "collective sound off" signal that the detectors use when there is a real fire.

This is a giant Pain in the a...

BV002013

12:01PM | 09/04/13
We have the same problem. Removed the detector and the beeping continues to come from the ceiling. Battery replacement has no effect. How can the *ceiling* beep!??

BV002141

04:26PM | 09/21/13
We have had the same problem with new hard wired detectors.Spoke with first alert and they had us reset all the detectors. This did not work. They had us reset them again. No luck. The company rep on the phone said it could be caused by having florecent lights in the house. We keep getting random 3 beeps in a row on different units all through the house. Why would a company make some detectors that can have a problem with different lighting options

BV002275

05:20PM | 10/08/13
Hello. I have five hard-wired First Alert smoke/CO2 detectors in my house. They are fine through out the summer when the windows are closed. As soon as the weather permits, and I open the windows the beeping returns, but only at night. The first time it happened, I called my fire dept as it freaked me out. They said that they would be happy to come check it out, but it not an unknown problem. They stated that as the temperatures change, the ozone levels in the atmosphere change and can affect the detectors until the atmosphere stabilizes again... I don't know how true that is, but I do know that having dealt with this for four years, the problems stops after a night or two. (I know, it's annoying as heck until then.) I've just dealt with it.
This doesn't help those of you who have removed everything and still have the beeping. I'm sorry, but I can't help you there.

heels8396

10:37PM | 10/11/13
Member Since: 10/11/13
1 lifetime posts
I've enjoyed a chirp sound every 45 seconds for the past twelve hours now. I replaced nine batteries today/tonight to no avail. The chirp does not seem to be emanating from the combo detectors but near by, in the ceiling in the hallway upstairs. We did turn the heat on today for the first time. Just can't understand what is making the chirp sound. Scoured the attic for a clue--can't even hear the chirp in the attic storage areas. Reset circuit breakers over and over. Purchased new detector to try that option--no joy. House is one year old. Anyone else with this 45 second interval eve figure it out? I'll be calling a electrician first thing in the morning and will post what he/she determines.

BV002313

02:49AM | 10/13/13
Having the same issue here in AZ in October which started at 10:45 and is beeping every 45 seconds. Removed two hard wired FIREX smoke detectors that were confirmed beeping, and once one was removed, others started going off. Going to check the wiring in each one, clean all, replace all batteries, and see if the beep continues.

BV002398

03:16PM | 10/23/13
Hi all,

I had the same exact problem as what you guys had. These are the things I did. We have 5 smoke detectors in our house and two CO detectors.

1. I removed each of the five smoke detectors first from the connections completely and removed the batteries. Then, press the test button in your smoke detector to remove any residue charges in the detector for 15 seconds. You can press the test button a couple of times if you want. Once you drain the detectors, you put the batteries back and then connect each of them with the wires in the wall. This should mostly fix the chirping sounds for the smoke detectors unless they are very old in which case you have to replace them.

2. Even after doing all this, I still had some annoying sounds coming from the wall. For a day, I did not know what the source was...But later I figured out that it was the CO detectors which were close the smoke detectors that was creating the problem. I did the same for the CO detectors also separately and put them back..Now, the sounds are all gone.


BV002464

12:20AM | 11/02/13
our home built 1977 detecter chirps wheen lite switch on other side of wall is flipped on or off.might be same problem

Duanethebuilder

11:40PM | 11/03/13
Member Since: 11/03/13
5 lifetime posts
Just a question for all with smoke detector problems, are your houses fairly new maybe 2 to 8 years old

BV002485

04:09PM | 11/04/13
It's somewhat comforting to know we are not alone with this problem, but in the middle of the night it is small comfort! Having this same issue with our hard wired battery backup units off and on for years. We have no attic in our log house we built 16 years ago so we know where all the alarms are. During the night one starts intermittent chirping (we call it the warning shot) and then soon they're all going off like there's a fire. We now keep a 10' ladder on the loft to reach the one on the cathedral ceiling to save time removing batteries during the night. If one goes off they all need to be removed to stop the alarm--if we're lucky. We replace batteries at an alarming rate (if we were smart we'd buy stock in Eveready and Duracell), we've vacuumed the alarms, replaced units and a few months ago again replaced all 6 units in the house. We thought that fixed it...Last night it did it again. The batteries were last replaced 8/14/13 but we replaced them again. Nothing worked and the system is currently shut off. I've tried to find a pattern but other than during the night, there is nothing noticeable. But something "happens" before the first chirping starts because our 2 dogs go crazy trying to wake us up and when I wake up enough to holler at them the *&$# chirping starts! Every time--they seem to know it is going to happen in advance. Will check manufacturer on our units and continue watching this site for answers.
Help! this is making us all crazy!

BV002487

04:03AM | 11/05/13
Just went through this. Like others, it turned out to be CO monitor, which wasn't even that close to smoke detector. But high frequency sounds are notoriously difficult for the human brain to localize, and combined with hardwood floors for sounds to bounce off, it was impossible to tell by listening. Please please check your CO monitor if you have relentless beeping, even if you swear it couldn't be....

BV002520

02:47PM | 11/09/13
The same thing just happened at our house. It was the CO monitor. Both my husband and I swore the ceiling was chirping after we removed the smoke detector, changed the battery, etc. We had to move the co detector to another room to discover that it was actually that and not the smoke alarm. We were on the verge of replacing all the smoke detectors in the house. I, like previous posters, urge you to check your CO monitor.

johnmicera

09:07AM | 11/10/13
Member Since: 11/10/13
1 lifetime posts
all of my first alert smoke alarms are chirping --they take turns--they are hard wired-- i have replaced the batteries--how do i fix this-- seems to happen in the middle of the night when everyone is sleeping

BV002640

05:56AM | 11/25/13
Was irritated that some replies kept mentioning carbon monoxide detector. I could swear I knew exactly which smoke detector was affected. But just went back up the the master bedroom to check and my carbon dioxide detector was showing low battery/error. Right before I pulled it out of the wall, it beeped it's excruciating beep!

I think the sound of the beep is sooooo loud, it bounces off walls and makes you believe it's coming from another source. My house is quiet now and I can up from the basement!!

BV002660

06:35AM | 11/27/13
I did the following to resolve this problem:

1) Take down all the smoke detectors. IF you have a CO monitor also hard wired, take it down as well.

2) For each detector, open the battery compartment so that there is no power to the detector. Hold down the test button until all beeping stops to drain the capacitor. The detectors usually have a capacitor that holds some charge even after disconnected from power and battery.

3) Close the battery compartment so that the detector is running on battery alone. If it starts to chirp, repeat with a new battery. If it chirps with a new, good battery, try blowing dust out of the detector and repeating. If it still chirps, get a new detector.

4) Once all detectors are working on battery power, connect them to power one by one. If the detector starts to chirp, then try a different detector in that location. If both chirp you probably have a wiring problem or connector issue at that location. If one chirps but the other does not, you probably have a wiring or connector problem on the chirping detector.

I hope this helps.

Most of this came from First Alert customer support. They were very helpful.

BV002677

06:31PM | 11/29/13
It was the freaking CO monitor for me as well!!
After replacing the battery the beep stops! Thanks for everyone here.

BV002726

11:25PM | 12/05/13
warm it up it worked for me

BV002746

01:14AM | 12/09/13
I swear I was going insane, after removing the battery & smoke detector, and STILL hearing chirping "coming out of the wall" or the wires... but the solution was the same as many mentioned above. My wife had unplugged a CO2 detector that had been lying on the floor (under its electrical socket) for months, draining it's batteries, until it's low battery chirp started intermittently going off every minute... sounding EXACTLY like our smoke detector. Like others mentioned, my hears couldn't localize the frequency, so I thought I heard it coming out of the empty space where the smoke detector was hard-wired. CHECK YOUR CO2 DETECTOR in the room!

BV002842

11:27AM | 12/22/13
We had the same noises - it drove us crazy. We replaced all the batteries in the smoke detectors - carbon monoxide and even the thermostat. It still kept up with that damn noise. We heard noises coming from the attic. My son went into the attic and found another smoke detector in the attic. Changed it and end of noise. Unbelievable!!

BV002842

11:31AM | 12/22/13
We had the same noises - it drove us crazy. We replaced all the batteries in the smoke detectors - carbon monoxide and even the thermostat. It still kept up with that damn noise. We heard noises coming from the attic. My son went into the attic and found another smoke detector in the attic. Changed it and end of noise. Unbelievable!!

BV002889

11:35PM | 12/30/13
Same exact problem. Wires in ceiling seemed to be chirping! Drove us crazy. Finally DID find the problem. In the same room where the chirping was coming from -- and behind a couch against a wall -- was a CO detector. Just a battery type CO detector. Pulled the battery on it and no more chirping! I too thought it was the wires in the ceiling box chirping. Of course that's impossible and thankfully it is -- it was the separate, stand-alone CO detector with a bad battery playing ventriloquist! And doing a very good job of it!! Good luck.

BV003217

12:52AM | 02/11/14
I had the same issue and forgot that I had a separate CO detector that plugs into a wall outlet. The CO detector's 9 volt battery needed to be replaced and produced a loud reminder chirp every ~45 seconds. After replacing the battery, the chirp no longer sounded.

BV003223

03:29PM | 02/11/14
Try taking them down and blowing them out with a can of compressed air. Many times during construction they get dust in them and over time they build up dust also which triggers the chirpping. It worked for me. I thought that I was going to have to replace mine in a 5 year old house.

BV003273

07:21PM | 02/16/14
Just finished with this issue.

TURN OFF THE POWER BEFORE PROCEEDING WITH THE BELOW.

1. Clean the dust out of them with a can of compressed air and/or a vacuum cleaner. Feel free to remove the detector from the ceiling but do NOT open the detector itself. Get as much dust, dirt, and spider webs out as possible.

2. If #1 fails, and the smoke detector(s) are more than 10 years old on average they may need to be replaced.

3. If you have removed all the smoke detectors and still hear chirping, check for other smoke detectors and CO2 detectors. A general rule of thumb is each level of your house should have 1 smoke detector. C02 detectors should be located outside the furnace room in your basement and outside the bedrooms. If you find any of these disconect the power and/or batteries to take care of the chirping.

Hope this helps! I was driven crazy at 3 A.M. 2 times this weekend before finding the last of them. :)

BV003475

01:28PM | 03/09/14
I am so relieved to not be alone in disgust over a chirping hard-wired smoke alarm! I have a highly fearful dog who comes unglued at the midnight detector malfunctions -so at 2am one particularly rough night, I ripped the chirpers off their mounts, and took a hammer to them in the garage. They shattered nicely and stopped chirping. I then brought my dog into the garage to inspect my handiwork, and he was most appreciative. We all got some sleep. My vote on causes is temperature change, plus old devices.

BV003563

11:25PM | 03/15/14
Yes it was the co detector for me also.Now we can sleep.Thanks for all the great advise.

BV003871

01:51PM | 04/12/14
We suffer with the wired smoke alarm chirping disaster from time to time. Today I would have SWORN it was the smoke alarm again and the sound was moving from unit to unit. My hubby wasn't here to help so I went to Google in desperation. I saw this thread and it made me check the CO2 unit. It was the 100% the culprit. The sound it makes can absolutely trick your ears into believing it's coming from somewhere else.

Thanks for the advise, it worked for me. I wouldn't have thought to check the CO2 unit for a long time, if ever.

BV004009

08:13AM | 04/23/14
We had the '3 chirps' problem happen: 3 chirps, pause, 3 chirps, then nothing. It was fine for a couple of months, then it happened again. And again. As other folks in this thread indicated, it was the CO2 detector.

I looked up the First Alert manual to see what the chirp code meant. Just once/minute would be low battery; 3 chirps is the alarm indication, but would be continuous; 3 chirps, pause, 3 chirps is the test mode. Of course, no one was testing the CO2 alarm, so it was a puzzle.

I unscrewed the alarm to inspect it. It was clean, the LED was green, etc. Then, as I went to put it back, I noticed some movement: the black wire on the alarm was loose from its wire nut. If it was twisted just right, it would lose connection with the house power. So much for using an electrician!

If this is the problem for you: with power off, unscrew the wire nut, straighten out the alarm's wire, stick the alarm wire into the wire nut first, follow with the copper from the house, then twist to make it snug. Over-tightening can cause it to ride up and slip out. (don't forget to turn the power to the detectors on again)

I haven't had the problem again. As one writer indicated - it may have been related to a temperature change: after a few warm days, it got cool, and the metal may have contracted just enough to lose contact with the house power, and then recontact. The manual doesn't mention it, but it may be that the right pattern of random power connections gets interpreted by the alarm as a test. (like the old rotary phones: you could click the receiver to imitate the clicks for each number)

BV004090

10:16PM | 04/28/14
Thanks so much!! It turns out to be our CO2 monitor also. Whew! So happy to find this site.

BV004278

07:08AM | 05/12/14
I had the same problem. Changed the battery, changed the battery to every smoke detector in the house. Still the sound did not stop, and sounded like it came from the wiring in the ceiling. We went in the attic, to see if there was a 'lost' detector in the attic. We turned off the power to the house, still the chirping did not stop. After reading all of your posted, seems like a common suggestion was to check the carbon monoxide detectors. I had earlier in the day checked the one in basement. But remembered that there was a 'plug in' carbon monoxide detector sitting on the floor near the chirping. It was unplugged. I did not think it had batteries in it. but thought I should double check. I had tried everything else... Sure enough.. that was the source. My husband & I both thought the sound was coming from the ceiling wiring. Now we can rest...

dngeiger

05:57PM | 05/31/14
Member Since: 05/31/14
1 lifetime posts
I had the same issue as many have stated above. I changed all batteries, changed all smoke detectors, unplugged all smoke detectors only to find out....that it was my plug in carbon monoxide detector. When the batteries on the plug in carbon monoxide detectors go low, it makes the same chirp as the smoke detector. Because it is plugged into the wall, it sounds like the chirp is coming from everywhere in the house but the wall detector. I thought it was in ceiling, different rooms, as many have reported here. Very frustrating but the good news, i guess, is that I have all new smoke detectors that has not been replaced in 14 years. My house was built in 2000. Good luck and I hope this helps.

BV004718

08:26PM | 06/18/14
Didn't help. Still chirping. Installed new ones and replaced all batteries and did step by step still going

BV004752

09:30AM | 06/21/14
i reset the smoke detector after changing the battery and it started chirping again after 20 hours. what next ?

BV004752

09:30AM | 06/21/14
i reset the smoke detector after changing the battery and it started chirping again after 20 hours. what next ?

BV004802

07:45PM | 06/25/14
Try removing the battery, THEN holding down the reset button. I know this sounds silly, but it worked on my mother in laws detectors. There must be a capacitor in there or something that you discharge with the reset button.
I unplugged it, removed the battery and held the reset until the detector sounded a short beep, longer than the dying battery chirp, but pretty short. That seemed to do the trick.

BV004980

05:17PM | 07/14/14
After a lengthy power outage, during which the smoke detectors continually kept beeping, the hardwired smoke detectors continued to beep when the power was restored. I dragged out the ladder and hit the reset button on everyone of them. THEY KEPT BEEPING. I was about to get out a gun and just shoot all of them, but then I remembered I do not own a firearm! So, in order to save my sanity, I started researching non violent solutions to reset the smoke detectors on the internet. Thank goodness for this website. It was the CO2 monitors! Like many other comments, I swear the sound was coming from the ceiling.

BV005028

12:41AM | 07/18/14
OMG....we just figured out it was our CO2 sensor, the darn thing sounds exactly like the smoke detector. Now, unfortunately, we need to get the ladder back out and re-hook up all of our smoke detectors since we disconnected them. But alas....the beeping has stopped!

BV000193

06:54AM | 07/18/14
SHEEESH !

BV005229

10:01PM | 08/04/14
I also need help! I'm not familiar with the First Alert system, but one of the detectors is chirping and I can't get it out of the ceiling. I need help! no one's around at this time of night to come over and disengage this thing!

BV005384

12:28AM | 08/18/14
If you can locate the smoke detector that is making the chirp remove it from the wall (disconnect the plug) and remove the battery. While it is disconnected press the test button. You will get a weak test sound. Keep holding the button until the sound dies away completely draining the energy stored in the system. Now hook everything back up, install the battery and press the test button. Your chirps should be gone!

BV005391

07:59AM | 08/19/14
My hard wired smoke detector began to beep but it doesn't appear to have a battery backup. This is 2014 and the cover of the detector says to replace in 2004. Do I have to replace the whole thing?

BV005482

05:16PM | 08/27/14
For the second time this week, our First Alert smoke/carbon monoxide detector has done the following:

one chirp
three long beeps
three long beeps
four short chirps
four short chirps
one chirp

The first time it did this, we replaced the batteries (this was a few days ago). Then it just happened again this morning. I'm assuming it's some sort of malfunction. It seems like it's making all Has this happened to anyone else?

BV005547

09:10PM | 09/01/14
I'm having the same issue. I've flipped the breaker off and unhooked them. STILL CHIRPING about every minute.

BV005729

11:11PM | 09/17/14
Having the same problem. Cleaned all of them removed the batteries and removed them from the ceiling. Then put them all back in and a hour later one starts beeping then an hour later the beep moved to another area of the house. Please help going crazy along with my two dogs

BV000193

06:57AM | 09/18/14
People you need to understand the life of a smoke detector is 10 years (or less for you smokers) and should be replaced after that amount of time. Quit screwing around.

BV005760

05:06PM | 09/21/14
I have three smoke alarms in my house (First Alert). They are wired into the house AC, but have battery backup. They are also wired to communicate with each other. One, the one causing the noise, is also a CO detector. In the last few weeks one of them has started giving me a single beep (let's call that E) or a triple beep (let's call that S), in the middle of the night for no reason. E is a signal to replace the battery, per the manual, although it should be doing it every hour, in that case. At first, I dutifully changed the battery (three nights in a row). S means smoke, but in that case it would be louder & continue until manually reset. There is no smoke. In fact, it DOES NOT go off when the neighbor's BBQ scent drifts through my house.

Finally called the electrician who installed them. The first time he came out, he said they were all old enough to be replaced & charged me a lot to do so. He's been out twice since, because the problem continued, always at night. The only thing he does is replace the offending unit (for free). There is no latch light on any of the three, so no clue which one started the fracas.

What gives!!??!! I'm losing sleep & the dogs are going nuts. Sometimes it triggers a dog fight.

BV005124

11:24AM | 09/22/14
Ceiling that holds the wires for the detector have a speaker or amplifier in it that is allowing us to hear, But instead of a continuous ,that you get when there is smoke is all round. 

TexasRangers

08:15PM | 10/05/14
Member Since: 10/05/14
1 lifetime posts
Oh my gosh - we lost power 3 days and the smoke detectors started going off. Got so frustrated that took them all down, and the chirping continued from what seemed the base of the two alarms in the hall. I looked in the attic, turned breakers on/off and looked in the electrical box of the mounting base but now speakers or componenets that would chirp. Torture enough not having any power, and then to hear loud chirping every 30 SECONDS day and night! At wits end and reading this thread it clicked, we had gotten a carbon monoxide detector as a gift that plugs into wall and we put it behind a small table in the hall, the chirping made the smoke alarms go off, and when i took the alarms off it echoed so made it sound like the mountings in ceiling were chirping...TOOK IF OFF THE WALL, CHANGED LOW BATTERY AND NO MORE CHIRPING!!!!!!!!

BV005942

08:55AM | 10/07/14
We don't have a CO detector, but our smoke detector on the cathedral ceiling started randomly beeping at weird hours (specifically at night). After changing the battery and testing it, it seemingly stopped...until the next day. In a fit of frustration I ripped it off the wall, removed the battery, and stored it in a distant room. Well a week later the beeping returned and I thought I was going nuts. It started as one beep once a week or so, now it beeps randomly two or three times on one day a week or every other week. It's like its coming out of the wall! All other smoke detectors are fine and have a green light. The sound is definitely coming from the wall. I have no idea what to do and my dog is going absolutely mad at the sound. There is no CO monitor installed anywhere in my house (if there was, no one ever told me about it). How is beeping from the wall where the detector was even possible?? Or maybe I am just going crazy...

BV006001

12:41PM | 10/13/14
Thank you to everyone who posts information because it can be extremely helpful to others!! I thought my smoke detector needed a new battery because it started the high pitched chirping. I tried 2 new batteries and resetting etc...and the chirping continued. Luckily, I saw the post to check my carbon monoxide detector which is nearby. I put new batteries in that and now all is quiet!! Thank you again!!!

leo w

01:14PM | 10/13/14
Member Since: 10/13/14
1 lifetime posts
I changed all my smoke alarms last year. I noticed that all the circuit boards had small burn marks on them. Yesterday all the alarms went off at 3 in the morning. I took all the smoke detectors apart and noticed the same thing happened again. Tested all the lines and had 117+- volts. I had no loose connections. The detectors are hard wired into my fuse panel. Any ideas whats causing this? I have to buy 7 new detectors and afraid it will happen again. Any advice?
Thanks,
Leo

BV006115

05:34PM | 10/24/14
https://www.youtube.com/watch?v=Geyols2sSYk

BV006116

07:13PM | 10/24/14
After disconnecting the smoke detector from the battery and mains power, ready to pull my hair out from the incessant beeping:
Me: "Are you SURE you don't have a carbon monoxide detector in this room? They beep when they run out of battery power."
Girlfriend: "YES, I'm SURE I don't!!"
Me: "Are you sure you're sure?"
Girlfriend: "YES, I told you YES!!"
Me: "OK, I'll go check the other rooms."

5 min later...
Girlfriend: "Oh, oops... there was a carbon monoxide detecter plugged in behind a box. It needs new batteries."

AAAAAAAAHHHHHHH!!!!!!!!

BV006178

05:46PM | 11/02/14
The electrician who did our remodel wired all the detectors to a common ground. Turned out to be same ground as the refrigerator. At night when the electric current varies a little because of the power grid and our fridge would kick in at 2am then BEEEEEP. Took us two years before another electrician told us what's happening. We disconnected the alarms from the house current and just use the batteries, like in the old days.

BV006189

10:31AM | 11/04/14
Same problem here, how do we fix it??????

BV006455

11:35PM | 12/05/14
I found the issue for the chirping coming from the ceiling!!! First, let me say that I have no electrical experience at all, I am a single female living with my daughter so I was hoping I would not have to toy around with the wires in the ceiling to kill the chirping. I did, like the rest of you, replaced the battery...twice!!! Held the button down to drain the "juice" that might be left in the system, but like you all, the noise was coming from the ceiling. I finally decided to check the darn plug in Carbon Monoxide plugged to the hallway outlet and low and behold, the damn thing had an ERR message. I yanked it from the wall and removed the battery.....guess what????? Silence, Halleluiah. Oh I had also tried the shutting off the circuit breakers, so as you can see I tried everything. LOL Please try it:) Veronica

BV006652

02:48AM | 01/03/15
We, too, have a hard-wired-with-9-volt-back-up smoke detector system. Less than a year ago, we were advised to change out one of them to a carbon monoxide/smoke detector to bring the home to current code. Though we have had similar issues in the past, this "chirping in the ceiling" is a first.

All of our detectors have new batteries as of 4 hours ago.

Still, the chirping continued. We removed the batteries, "drained" the existing charge per the internets, and still the chirping continued.

We removed the detectors, and removed the batteries. There isn't a single detector in it's proper place right now.

Still, the chirping continued. We got into each box, untwisted the wires, and capped them. There are no electrical connections, now, and the wires are hanging from the ceilings in each room.

Still, the chirping continued. From the ceiling. Where there is no detector.

(I know finding the source of the sound can be difficult, as the chirps seem to bounce from detector to detector/room to room, but as they're all in the kitchen and the sound is definitely in the hallway, we've been able to pin it down.)

So, then, it's getting late, and it's cold, but why not crawl into the attic? Moved all sorts of insulation 'round to see if there was something hidden up there. Short answer is no, there isn't.

HOW IS IT POSSIBLE that a chirp can come from the ceiling, where there is no electrical connection? It's not a CO detector, because the only one we have is sitting next to me with it's battery compartment open like a dead body that Dr. Mallard has examined.

We are clearly not alone in this, because so many have posted this problem, but nobody has found/shared a solution that isn't an "Oh, we forgot we had XXXX." Where is this noise coming from? How can there be chirping when there is no detector? Does it have to do with the hard-wiring? Some sort of circuit sensor is po'd because the circuit is incomplete with all the detectors removed? I even turned the heat on to see if the system wanted to be a toasty 70*, as it's a little chilly tonight. Nope! Arggghhh!


BV006653

09:12AM | 01/03/15
We, too, have a hard-wired-with-9-volt-back-up smoke detector system. Less than a year ago, we were advised to change out one of them to a carbon monoxide/smoke detector to bring the home to current code. Though we have had similar issues in the past, this "chirping in the ceiling" is a first.

All of our detectors have new batteries as of 4 hours ago.

Still, the chirping continued. We removed the batteries, "drained" the existing charge per the internets, and still the chirping continued.

We removed the detectors, and removed the batteries. There isn't a single detector in it's proper place right now.

Still, the chirping continued. We got into each box, untwisted the wires, and capped them. There are no electrical connections, now, and the wires are hanging from the ceilings in each room.

Still, the chirping continued. From the ceiling. Where there is no detector.

(I know finding the source of the sound can be difficult, as the chirps seem to bounce from detector to detector/room to room, but as they're all in the kitchen and the sound is definitely in the hallway, we've been able to pin it down.)

So, then, it's getting late, and it's cold, but why not crawl into the attic? Moved all sorts of insulation 'round to see if there was something hidden up there. Short answer is no, there isn't.

HOW IS IT POSSIBLE that a chirp can come from the ceiling, where there is no electrical connection? It's not a CO detector, because the only one we have is sitting next to me with it's battery compartment open like a dead body that Dr. Mallard has examined.

We are clearly not alone in this, because so many have posted this problem, but nobody has found/shared a solution that isn't an "Oh, we forgot we had XXXX." Where is this noise coming from? How can there be chirping when there is no detector? Does it have to do with the hard-wiring? Some sort of circuit sensor is po'd because the circuit is incomplete with all the detectors removed? I even turned the heat on to see if the system wanted to be a toasty 70*, as it's a little chilly tonight. Nope! Arggghhh!


BV006704

05:34PM | 01/08/15
I have no co monitor, nor are there batteries in my smoke alarms ... yet one is still going off ... any answers?

sharonpich

09:21PM | 01/25/15
Member Since: 01/25/15
1 lifetime posts
I've been having this annoying problem, too, and finally resorted to reading the Kidde troubleshooting page on their web site. It does say that a loose neutral wire (it's the white one) can emit a chirp even when no detector is attached. Hope the original post got their problem fixed already, as it's been a long time! Just thought I'd put this out there. Those people are not crazy!

BV007034

11:26PM | 02/19/15
Same thing, I vaccuumed, I tripped the circuit breaker to reset the smoke detector, two new batteries, nothing. The CO monitor was unplugged when we painted and was chirping under my ladder. New battery, problem solved.

BV007071

06:46AM | 02/23/15
Over the last couple of weeks, it seemed as if one of my hard-wired smoke detectors started chirping around 5.00 a.m. on some mornings every 45 seconds. A couple of mornings after I reset what I thought was the offending one, it stopped. This morning it happened again. I could not stop it. I replaced a couple of batteries, still no result. Then I read this article. I have a CO detector on top of the upstairs bathroom cupboard, near three smoke detectors and that was the problem. It seemed to "throw" its chirp voice around the house. Batteries replaced and blessed silence - maybe worth being up at 5.00 a.m.

BV007173

07:42AM | 03/04/15
We were startled awake this morning by one, then two, then three thenf four of our hardwired units blaring (not beeping) They were all on one side of the house. By the time we all got up, and started gathering our things to get out and I got the garage door open they stopped. Hours later not even a peep. A little freaked out. Hit online and apparently it's a thing and no one has a solid answer but am still spooked.
Any advice welcomed.

BV007264

10:00AM | 03/16/15
Hard wired smoke detector is chirping....what can I do.

BV007401

12:29PM | 03/30/15
I too had a similar problem. Pulled all the detectors.. shut down the circuit etc etc. Still a beep from the basement area. Hidden behind a clothes rack,I found a red light on the Verizon Fios Optical box showing "low battery". Replaced it (12 v) and finally it has stopped. Had me going for a number of hours and complete consternation, but finally found the "fix" for my house at least. Good luck to all.

BV007639

06:34PM | 04/24/15
Unbelievable. I thought everyone was crazy until I started seeing posts about CO monitors. And then the one post about their FiOs box. I replaced the battery twice in the smoke detector and that beep happened while I was up there. Not coming from the smoke detector after all. We have no CO monitor. So I looked at the Verizon box. Sure enough the "replace battery" light was on. We have Comcast now, so I simply unplugged it and removed the battery. Woot!!! Thank you to all the detectives who gave me ideas, especially the FiOs one!

BV007963

11:06PM | 06/01/15
Thank you for mentioning the CO detector. Once that battery was changed the chirping stopped!

BV008000

11:29PM | 06/05/15
All detectors went off 2 times at 11:00pm. Opened all upstairs doors of bedrooms and not going off after 25 minutes.


BV008021

12:22AM | 06/08/15
Problem solved. I spent 6-7 hours trying to figure it out and reading every blog. I heard the sound coming from the ceiling and the wires when the detectors were siting on my table with no batteries in them. Most answers said CO detector nearby; but my 7 year old Florida home has no CO detector because we have no Gas to our homes. However, I remembered after much prayer that I had packed in a box 2 old CO detectors and 2 old smoke detectors from my midwest home 2 years ago. Behold, the 2 CO detectors in a closed box had a dying battery. The high pitch sound was echoing louder from the attic than it was coming from the actual unit when I pulled it out of the box. Very very strange but silence at last. Anyone reading this already knows the anguish this search causes, I was convinced that there was a detector in my attic under the insulation because I clearly heard it through the AC duct. So know that the beeping unit could be packed away and where you think you hear it is not necessarily the place it is coming from.

BV008187

12:55PM | 06/26/15
If you haven't tried already.. reset your circuit breakers. Hard wired smoked detectors having their batteries changed is great, but the true power comes from the wires. Resetting your circuit breaker for the smoke detector should delete the error codes. Hope this helps someone :)

BV008213

09:47AM | 06/29/15
I came here to find a solution to a mysteriously beeping smoke detector issue. I had the same problem that many of you had: replaced the battery, reset the detector, checked all of the other units...nothing. Many mentioned that the beeping was probably from a carbon monoxide detector. I replaced all of the batteries to those, but the problem was still not solved. I figured out that the problem was with our office smoke detector, which was beeping from the ceiling even when I removed the detector. Then, after hours of frustration, I glanced over to a shelf and saw our old plug in carbon monoxide detector from before we had everything hard wired two years ago. I took it outside & when it started beeping, I discovered that this was the problem! After removing the batteries, no more beeps. I had no idea that even a detector not in use could cause that beeping to happen!

Hope this might help someone!

BV008292

03:32PM | 07/08/15
I had the same problem of all the alarms in the house going off over and over again for a few hours (not chirping, but fully sounding). And then as we were monkeying with things, we saw a tiny little spider crawl out of one. Unfortunately he crawled back in (setting that alarm off again, which set the rest off). So we had to remove that detector and now all the alarms have stopped. What a terrible design if a little bug can crawl in and set off alarms for hours and hours. Anyway, could be a bug.

BV008429

08:13AM | 07/23/15
WE had a storm w/a lot of lightning and all of the hard wired smoke detectors in the house went off at once(total of 9).I replaced all battery's and alarms still go off.Is it something simply or involved

BV008453

03:46PM | 07/25/15
I had exactly the same circumstance -- chirping hard-wired smoke alarm. Removed the detector and it seemed like the chirping was still coming from the ceiling. I checked my attic too -- nothing. Changed the batteries on every detector 4 times. Then I started reading further down in this string of responses. It never occurred to me it could be the CO2 detector, but that's exactly what is was. It was plugged into an outlet in the same hallway as the smoke detector I thought was chirping. I've gone for 3 days with very little sleep and even called the alarm company. To all of you who posted to check the CO2 detector -- THANK YOU, THANK YOU, THANK YOU! My dogs thank you too!!

BV008465

03:38PM | 07/26/15
BV004802 you da bomb. It worked to remove the battery, hold the reset button for about 30 seconds and then reinsert the battery. It did the intermittent beep for a few more times, then stopped. THANK YOU!

BV008465

03:42PM | 07/26/15
Okay, I spoke too soon BV004802. It's b-a-c-k. Fortunately an electrician is coming in the morning to do some work and I'll have him tackle it. If we can just keep our sanity in the meantime . . .

BV008487

11:57PM | 07/28/15
Thank you for the CO2 monitor suggestion! God Bless you!

BV008516

12:14PM | 07/31/15
I had very bad renters they stole all the fire detectors wired into the house... can I replace these units?

BV008517

03:17PM | 07/31/15
We recommend Firex on our site www.realhelprealestate.com to all of our buyers. It seems to solve the issue

BV008625

12:31AM | 08/11/15
Try resetting the smoke detector on the unit itself after replacing the battery. Also, go to the fuse panel and turn off the fuse for the detector. It has several possible labels "alarm" and "smoke detector" it's usually a power surge that caused the initial problem.

BV008680

09:53AM | 08/17/15
Thank you BV002660. Great information and your comments resolved my issue.

BV008794

12:58PM | 08/29/15
I had taken all detectors down, reset them and reset the breaker but something was still beeping.

I found that the sound was not from the hardwired smoke detector but from the security system that was right by the smoke detector-both upstairs and downstairs. Luckily, I had remembered that it had a battery backup. The beeping it was a warning indicator (beep) for the alarm system battery backup.

I was just about ready to dig into the walls. LOL

BV009251

06:15AM | 10/18/15
I have 8 smoke, 2 CO and 2 combination detectors in my house! 4 smoke are interconnected, 4 other smoke are interconnected, 2 CO are interconnected and 2 combination are interconnected. Imagine the confusion when one goes off!! I have no idea of its origin. Oh and my kitchen houses 1 of the smoke and 1 of the COs which of course go off whenever there's the slightest bit of smoke. So I unscrewed those, unplugged them from the hard wire, then screwed them back in so that they are stand alone. Have no idea if this is dangerous but at this point I really don't care.

gregp

11:23AM | 10/20/15
Member Since: 10/20/15
1 lifetime posts
i have a chirping sound coming from my hard wired smoke detectors in two rooms i checked the batteries which were good finally removed all detectors now chirping comes from the ceiling in the same rooms what could it be?

BV009328

09:56PM | 10/25/15
Thanks to all of you who said it was your CO detector. It was the same for us. I nearly went insane trying to fix it, and I went through changing all my smoke detectors (anyway, they were 12 years old & needed it) - but the whole family remained in a tizzy because the infernal demon that sounded like it was living in our walls, kept chirping every 60 seconds or so. But when I read the posts about it maybe being the CO detector, I pulled it out of the wall and lo! Sweet, sweet silence. Now, sanity is returning, and I can rationalize again; and I see that the CO detector (like a smoke detector) needs new batteries now and again.

Once again, thanks to all the angels who posted here. You are the guardians of the soundness of our minds!!!

Paul in Bowmanville On, Canada

BV009416

08:16PM | 11/03/15
Hard wired detector goes off for no reason in the middle of the night. Red light flashes every 3 to 4 minutes in the day, all day. What can about it
??

BV009481

10:05PM | 11/11/15
LOL Same for me it was my Carbon monoxide alarm. 2 night without no sleep, changing batteries and bought another smoke alarm. LOL And found this!! thank you!!!!

BV009508

02:23AM | 11/14/15
Our alarm is beeping three times intermittently and even with a new battery installed it will not stop. Happened once before and it was low battery. We just replaced and it keep chirping. Can't go to sleep! Anyone got ideas?

BV009646

08:24PM | 11/30/15
Thank you all carbon monoxide answers. You saved my sanity! The dogs finally came out from under the bed too. I was sure it was the smoke alarms. Bought two new ones but chirp never stopped until I read the CO posts. Gracias.

BV009741

02:19PM | 12/09/15
I had exactly the same thing happen. 3am the smoke detector in the living room started a loud chirp every minute or so...it is hard wired and connected to many others throughout the house. None of the others were chirping. I thought it the wiring as tha
t happened one time, so i pulled it down and the wires looked fine. I did have this feeling that the sound was not really localized in the unit. after reading all these posts i realized i have a stand alone plugged in unit for carbon monoxide detection near the smoke alarm...it is all dusty and dirty and i removed it from the plug and the horrible repeating alarm stopped. so it was never the smoke alarm. i would have never thought it was this unit with out reading all these posts, so thanks for saving my sanity.

BV009798

05:16PM | 12/14/15
After trying everything and getting in an argument with many people that the beeping was coming from the ceiling with no smoke detector connected. I finally read one person's post where they discovered that their Verizon Fios box had a red light on it saying to change the battery and was beeping every 15 minutes. Well guess what so do I and the beep is coming from IT NOT THE CEILING! this box is just under my smoke detector so it was echoing. Problem solved! Boy am I embarrassed.

BV009809

03:31AM | 12/16/15
I have 6 smoke detectors and 2 combination detectors and they are about 10 years old and need to be changed out. I ordered new ones online because they did not have them in the store and it has been almost 2 weeks and I still haven't gotten the new ones in. I turned off the power at the circuit breaker, took all of the detectors down and took out the batteries and every 8 hours or so there is still chirping for about 45 minutes. If I put the battery back in the one that sounds like it is chirping and push the test button, it will stop the chirping for anywhere from 6 to 14 hours, so it has to be coming from something that is hard wired into these units, doesnt it?I guess I will look in the attic again.

BV009919

10:10AM | 12/30/15
Mine started going off intermittently around the same time frame with 3 consecutive beeps. There was a spider next to it. Got rid of spider and the beeps where gone. ... Great posts; thanks all!! BTW, mine is hardwired with battery backup, the unit was a few months old and the light was green.

BV010001

06:34AM | 01/05/16
A few things you can do,

1. disconnect all alarms remove batteries. Hover any holes around alarm, hold down test button for 30 seconds until capacitors are discharged. Replace with new batteries, ensure correct polarity and hard wiring connector is clipped properly in.

2. After step one if still bleeping intermittently go around and press the test button on each for 5 seconds.

3.Still having problems, get a competent person to check the hard wiring at alarms and distribution board.

4.Replace alarms

BV010070

12:14AM | 01/10/16
We also thought it this alarm was coming from our smoke detector. After replacing all the backup batteries, we discovered it was NOT our smoke detector. It was the carbon monoxide detector screaming that we needed to change the backup battery. Problem solved!

BV010135

10:09PM | 01/14/16
We have 5 smoke detectors and have removed all put them outside and still the ceiling seems like it is chirping. We have gone to the article where the noise is muffled. We have shut of the main electric to the house still chirping. We have cut out holes in walls to see if rouge detector and nothing. Read that the white wire could emit a chirp but the power is off to detectors. Who can we call to help locate this chirp. No other co or smoke detectors in house. The sound is localized I one bedroom.

BV010223

01:26PM | 01/21/16
Although it sounded like my two upstairs smoke alarms were chirping intermittently, the culprit was my First Alert carbon monoxide alarm needing new batteries. In troubleshooting I first removed batteries from all five smoke alarms. Still chirping so I shut off power via circuit breaker. Still chirping but this time I noticed the carbon monoxide alarm red light blinking. Note that the chirping sound still appeared to be alternately coming from the two smoke alarms. Thanks to all of the comments on this issue otherwise I would not have figured out solution to my problem.

BV010247

10:02AM | 01/23/16
THANK YOU! It WAS the Carbon Monoxide Detector after all.

BV010367

11:24AM | 02/03/16
Does anyone know if space heaters can cause photoelectric smoke detectors to sound? The middle of the night is when 8 units go off. About 6 nights now... we are all loosing sleep. Every detector has been replaced, all back-up batteries for all the units (which are all hard wired) have been replaced. The only way I can get them to be quiet is to disconnect them, when disconnected, on battery power only, they are all fine. ...Confused....

BV010445

09:06PM | 02/09/16
We had this problem in a house and we finally found a carbon monoxide detector plugged into an electrical outlet. We removed it and the problem was solved. Hope this helps.

BV010748

10:12PM | 03/02/16
Just read through this whole thread as the beeping is driving us bananas. Replaced all batteries. Reset all units. Checked all CO2 monitors. Similar to many people, it seemed like the beeping was coming from the ceiling after we had the detectors down and disconnected. I crawled all the way through the attic on my stomach in pajamas, looking for rogue smoke detectors and found nothing.

Ready for the answer?

A smoke detector in a closet under a pillow!!! When we re-wired in 2014, looks like this old unit (marked 2006) was taken down and shoved in the closet, only to be forgotten about.

Bless this thread for helping me keep the faith that there was another thing making the sound and we just hadn't found it yet.

BV010758

05:58AM | 03/04/16
Last weekend, smoke alarms started chirping at 4am. Replaced all the batteries. Fine. This week, same thing but stopped when i clicked the heat up to 72. just now, again. Read on here about Co2. It is not hard wired but I took the battery out and it instantly stopped. Thanks! Stay tuned cause if it starts again I am jumping out the window.

BV010781

10:48PM | 03/05/16
about two years ago I replaced all my hard wired smoke detectors and used lithium batteries. Everything was ok until now. I am back to having the same problem of the smoke detectors blasting in the evening and mostly in the middle of night. The electrican is telling me to change all the wiring going to smoke detectors, at Acosta if almost 3,000 dollars I question his suggestion. Then he suggested adding a surge protector to the house...another 550 dollars that I am questioning.

BV011244

10:14PM | 04/12/16
We had the same problem once with all three smoke detectors in the house, and it didn't help even if we changed the batteries and blew off dust. But magic kicks in when we took the batteries out and shut off the power to the smoke detectors for a few minutes. Then turned on the power and then replaced the batteries. All quiet !!!

Try this, as the smoke detectors need to be turned off, like a computer, to correct the internal problems.

BV011462

12:39PM | 04/30/16
my circuit breaker will not reset. I noticed this as I was fixing my door bell chime, which apparently is on the same circuit.

BV011462

12:40PM | 04/30/16
my circuit breaker will not reset. I noticed this as I was fixing my door bell chime, which apparently is on the same circuit. Can the chime transformer just go bad, or is something wrong with a smoke detector?

BV011928

02:41PM | 06/12/16
Thanks guys this was so helpful! The beeping/chirping was coming from my CO2 monitor as well. I didn't even know I had one until I read these suggestions. Changed the batteries twice from the smoke detectors, removed/unplugged the power of smoke detectors, turned off the circuits and only after all of this I started to think there was something else...gosh such a relief not to hear that sound after two weeks!!!!

BV011953

08:54PM | 06/14/16
On of our detectors First Alert is chirping every minute..how do I get it to stop!!!????

BV012283

10:06PM | 07/20/16
I have three hardwired smoke detectors in the hallway of the second floor rooms. The chirping started when the coffee maker we brought upstairs is in use. That's fine, we can live with that. One hot day I turned the window A/C on and the chirps came back, with a vengeance. Now it will chirp at random. Time to replace it after all it's over 10 years old.This did not resolve the problem, I search the ceiling for another smoke detector or gadget, nothing in there. I took all three smoke detectors and to my amazement the chirp did not go away at all. There is no way the wiring will make a sound? I put all detectors back and listened. Now there is a continuing chirp at the master's bedroom, bad news, the wife can't sleep with even the slightest distracting sound, but she snores, and I can sleep over it. Then I listened and its not the smoke detector chip, it was from the window alarm lo-batt. Problem 2 solved. Went back to the smoke detector problem and listened very closely, it sounds like it's coming from the ceiling, I listened through the vent, it's not coming from up there 100% sure. It's in this room where the window ac is. Then I remembered plugging in a carbon monoxide detector and it's in the outlet by the wall obscured by the door to the bathroom when open. Sure enough, indeed it is the carbon monoxide detector that was chirping when it senses voltage drop at the circuit where it is tied up to with the A/C and the coffee maker. Problem solved, and it's a blessing I changed my old smoke detectors to new ones.
So I suggest listen very closely, bring another set of eyes and ears. There is no way the wiring will sound by itself, it has to be another gadget, temperature, or electrical noise ie. voltage surges/drops.

BV012283

10:08PM | 07/20/16
I have three hardwired smoke detectors in the hallway of the second floor rooms. The chirping started when the coffee maker we brought upstairs is in use. That's fine, we can live with that. One hot day I turned the window A/C on and the chirps came back, with a vengeance. Now it will chirp at random. Time to replace it after all it's over 10 years old.This did not resolve the problem, I search the ceiling for another smoke detector or gadget, nothing in there. I took all three smoke detectors and to my amazement the chirp did not go away at all. There is no way the wiring will make a sound? I put all detectors back and listened. Now there is a continuing chirp at the master's bedroom, bad news, the wife can't sleep with even the slightest distracting sound, but she snores, and I can sleep over it. Then I listened and its not the smoke detector chip, it was from the window alarm lo-batt. Problem 2 solved. Went back to the smoke detector problem and listened very closely, it sounds like it's coming from the ceiling, I listened through the vent, it's not coming from up there 100% sure. It's in this room where the window ac is. Then I remembered plugging in a carbon monoxide detector and it's in the outlet by the wall obscured by the door to the bathroom when open. Sure enough, indeed it is the carbon monoxide detector that was chirping when it senses voltage drop at the circuit where it is tied up to with the A/C and the coffee maker. Problem solved, and it's a blessing I changed my old smoke detectors to new ones.
So I suggest listen very closely, bring another set of eyes and ears. There is no way the wiring will sound by itself, it has to be another gadget, temperature, or electrical noise ie. voltage surges/drops.

BV012431

01:40AM | 08/03/16
Someone commented that a spider was inside their detector and triggering the alarm . Well, just found one in mine too! It fits the issue I was experiencing: three loud chirps as if it was going to set everything off then nothing--kept happening at random times this evening. Finally it decided to hang out on the sensor because all the alarms were triggered.

BV012647

09:52AM | 08/24/16
Chirping

BV012698

06:14PM | 08/28/16
IT WAS OUR CO2 detector chirping also!!!! After hours of replacing batteries and going to the store and buying more batteries for the smoke detector, it wasn't even the smoke detector at all!!!!

THANK YOU SO MUCH my ears are still ringing from the annoying sounds.....

BV012892

09:05PM | 09/16/16
After replacing the smoke alarm completely several times, much to our surprise we discovered that from the factory the battery was placed in the smoke alarm backwards. There was no connection being made so this thing chirped and chirped and chirped. Reversing the battery so that the connectors actually connected to something fixed the problem instantly. I would love to charge First Alert for all the time that we have spent and all the money we have laid out trying to fix the chirping in our smoke alarm. We bought three new Cfirst Alert smoke alarms and all three had the batteries in backwards. If this is standard procedure, the instructions should tell you to turn the battery so that the connectors work. And by the way, there was no pulltab in any of the three new smoke alarms. The instructions should be updated.

BV012896

01:46PM | 09/17/16
I have turned the circuit breaker off to try and reset when I hit the test button there's nothing it's hard wired w/ battery back up

BV012973

09:21PM | 09/24/16
Ahhhh! It was my Co2 detector as well. I bought a new detector, had another replaced under warranty and replaced all wires. I went to the store 3 x. Thank god I found this forum! I was ready to call an electrician. There was a Co2 detector that I had forgotten about. My wife and I both swore the noise was coming from the fire alarm! What a bunch of craziness for nothing!

BV012974

07:21AM | 09/25/16
BV001656 - Thanks! Tried compressed air and evicted a little spider. No more false alarms!

BV012974

07:23AM | 09/25/16
Thanks! Tried spraying with compressed air and evicted a little spider. No more false alarms!

BV012976

11:12AM | 09/25/16
After reading about how hard it is for the human ear to localize where the beep is coming from...and realizing that it is not logical that a beep is coming from behind the wall when all of the power to the house is shut off & batteries removed....."Please please check your CO monitor if you have relentless beeping, even if you swear it couldn't be".....Well, I checked the CO monitor. Yep...listen up....CHECK THE CO MONITOR!

BV013101

10:13AM | 10/08/16
AH! CO2 Monitor for me as well!

BV013160

11:11PM | 10/15/16
Been in this place 1 year. Tired of the chipping and talking and lack of sleep.... I just loaded my 357

BV013668

10:10PM | 04/18/17
My smoke alarm went off three times last night as well. It's done it once before months ago, but not since. It's ALWAYS in the middle of the night...I don't know why that is. I'm thinking it must be a bug (or something) setting it off. It's certainly NOT a nice way to wake up though! When smoke detectors chirp once every 45 +/- seconds it means the battery is low. Mine also do this (in the middle of the night). I have found that I not only have to remove the battery, but also unplug it. Then you can hit the 'test' button to drain the remaining charge. Leave the smoke detector unplugged and without a battery for 2-3 minutes to make sure it doesn't go off anymore. If it doesn't, you're clear to replace the battery and replug in the detector.

BV013774

07:45PM | 04/30/17
Thanks for all the posts about the issue. Turns out that it was a Carbon Monoxide detector near the smoke detector which was causing the beeping in our house

BV013791

10:51AM | 05/02/17
The same thing is happening to me! Except it goes off annoying (beep beep beep) for 2-10 minutes, and then stops. Then 8-20 minutes later it starts again. I have a 200 square foot little cabin- only 1 smoke detector in the whole place. I took the smoke alarm down, unhooked it from hard-wires, took the battery out. The sound was coming from the ceiling! Once it stopped, I threw the alarm itself on the front porch and tried to go back to sleep, only for the beeping to start up again coming from the ceiling! I shut all the circuit breakers off and that didn't even work. How is this possible? It has happened 7 times- that is too many to be mistaken about where the sound comes from.

BV013971

07:28PM | 05/25/17
My smoke detectors have been beeping, 3 beeps, at night when the temp in my bedroom drops. The detector in my room is the trigger. I opened my bedroom door and it stopped when the temp equalized. Going to try with the door open tonight and see what happens.

BV014380

04:38PM | 07/31/17
We have the same exact issue going on and it is driving me crazy...so we removed the smoke detector in one bedroom about 2 years ago (there are 3 others in a 10 ft radius so we have lived without the one) we just started to hear a chirping sound and it is definitely coming from the hole in the ceiling where the smoke detector used to be 2 years ago. we replaced the battery and put the old unit up but it continued to chirp..i have the same question...can the wires chirp somehow without a unit? i cant figure out how to make it go away and we are going crazy please help!!!!

BV014721

07:43AM | 09/18/17
Just had three chirping alarm in the ealry morning saga.....it was the first alert carbon monoxide detextor next to firex alarm that was the problem? Always in the early morning for some reason

BV015109

12:42PM | 11/12/17
When the backup battery gets low in about 1.5 years, replaced it. Alarm still goes off even after reset. Throw away bought different brand. It works till the backup battery gets low again. Same thing. Do not know why? I will just put a regular 10 year battery life and no hard wire, which has no problem. Any other solution?

BV015137

08:25AM | 11/16/17
Had the three chirps every forty five seconds issue this morning at 4am. After checking for a fire, I read lots of internet threads and changed the battery (it's a hardwired unit with backup) to no avail. It's a First Alert combo CO and fire alarm. Finally took it off the wall and read on the back:

Three chirps per minute: Unit is defective. Replace unit.

It was six years old btw. It could also be the clogged sensor, but I didn't want to invoke the vacuum or compressor at 4am with sleeping roommates, so just disconnected it for now and opened my bedroom door for temporary alarm coverage (there's one right by my bedroom door) until I can get to home despot. Since this thread has a high Google index, hopefully I save someone some frustration.

BV015196

09:58AM | 11/24/17
Is there some other kind of detector nearby that could be chirping and misleading you??....that has happened to me.....check on it.

BV015246

09:12AM | 12/04/17
So grateful for finding this post after two days of doing all of the recommended resets on my smoke alarm a million times. Googled one last desperate plea and found this. And, yes, I immediately realized the room that I was working on the smoke alarm also had carbon mono detector. I put my ear down to it to wait for the beep - it nearly deafened me. I too would have sworn it was coming from the ceiling. A quick battery replace and the torture has ended. Thank you all for sharing!!

BV015247

01:11PM | 12/04/17
What happens if I disconnect all four of my hardwired smoke alarms, take out the batteries and press the button to drain the memory? Will they stop chirping and go dead? This is only temporary until I can get them fixed. I will put up battery powered alarms in the meantime. There is a two week wait for an electrician. Everytime, it dropes below 25 degress outside I get the early morning chirp. They all have new batteries, have been cleaned, and have been reset. There is no other alarm in the house and no CO monitor.

BV015448

10:04AM | 01/09/18
We've had the exit same symptoms over the last several years....cleaned thoroughly replaced batteries etc etc. What now seems to happen is beeping (not chirping) after we come home from a couple of days absence and it gets cold in the house. Temperature seems to be an issue.

I'm not buying six new ones at $50 each until they come out with something better.....Ranch

BV015697

05:27PM | 02/11/18
I moved into a house with hard wired smoke alarms with back up battery. Now the low batteries are chirping. I was able to replace the battery in the normal 8' ceiling. I am unable to reach the one waaaay up on the vaulted ceiling. So now chirp, chirp, chirp, chirp until someone with a very very tall ladder can get to it.
Question: When someone can reach & remove the back up battery, can the battery NOT be replaced to forever end the obnoxious chirping. Will replace with a better regular battery one to put at the more reasonable 8' height. Very faithfully replaced the batteries on all battery smoke alarms at the old house - so keeping them up to date is not an issue (the reason for inventing the horrible hard wired ones).
-- Bird lover that hates this chirping bird

BV015735

03:00PM | 02/16/18
One thing that fixed it for me was taking off the cover and bending the metal tabs that touch the battery leads. Apparently they were not making contact with the new battery.If you bend them so they press harder against the battery it could fix the issue. That's what worked for me.

BV015807

06:41PM | 02/27/18
Same problem as everyone else. I have three floors and the top floor was going off. I waited on hold with Kiddie and after 2 and half hours of their trouble shooting they agreed to send a new one. New one came today and I replaced it then it started the same chirping as the old one???? I ended up using compress air and cleaned it as well as the other two. Still chirping. So I thought maybe one of the hardwires was off or making bad contact. I noticed the one on the third floor (attic above) have puffs of air coming down from the attic. I have blown insulation up there I assumed maybe dust is being blown into it from above and causing it to go off. Its a combo one and only the fire is going off. So I will try and foam seal around it so that its airtight from the attic above and see if that fixes the issue.

Anyone elses that's doing this chirping thing the one on your top floor with the attic above too?

BV016736

02:47AM | 06/29/18
Just like the others I could have sworn it was the smoke detectors, but after 2 hours of having them all unplugged and batteries taken out... I tried the CO detector, and that was the problem. A battery had exploded inside the CO detector.
I wold have bet money that it was coming from the ceiling of the smoke detector, but it was the CO detector.

BV016798

01:27PM | 07/06/18
I'm another one who couldn't figure out why my smoke detector wouldn't stop beeping even after changing the battery...until I read this thread and discovered it was the nearby carbon monoxide detector. My dogs and I thank you.

busyness

01:28PM | 07/06/18
Member Since: 07/06/18
1 lifetime posts
I'm another one who couldn't figure out why my smoke detector wouldn't stop beeping even after changing the battery...until I read this thread and discovered it was the nearby carbon monoxide detector. My dogs and I thank you.

BV017580

07:08PM | 10/03/18
Our hard wired smoke detectors kept beeping. We did everything they said to do and they still beeped. We took them off the ceiling and removed the batteries and all 7 holes beeped as if they were still there. We had to sleep in the house with all the beeps, the dog wouldn’t even come in the house. After trying everything again, my husband called the firemen. They came complete with truck and went through the process over and over. Then one of the guys found a c02 detector that was chirping and then two more. We had a new heating system put in last year and they left them on shelves without telling us. They were talking to the smoke detectors and keeping them going. Once we put them out in the garage and reset all the alarms, we have peace. The firemen said that we were hearing the c02 detectors and the beeping wasn’t coming from the empty holes and our house wasn’t haunted. I’m still not convinced

BV018123

07:54AM | 12/04/18
Had the "phantom beep" problem, hearing beeps even after we uninstalled one hard-wired detector and one battery-only detector. They were on dining room table, batteries out, but beeps still seemed to be coming from ceiling.

Then I took them both into the garage, some distance, and beeps stopped. I'm thinking the beeps were coming from the detectors but audio illusion that noise was in ceiling.

BV018157

10:05PM | 12/07/18
Tonight I experienced what has been described here. Hard wired detector in guest BR started beeping/chirping - every 30 seconds or so. I changed the battery, took the entire unit from the ceiling and still beeping I swore came from the hole in the ceiling. I called a neighbor and my Son in another state and was prepared to call the fire department tomorrow. Then one of the posts here mentioned a CD detector.

I had removed a CO detector (unintentionally) from the wall and just hadn't gotten it reattached yet. After a few hours of fuming and researching, I started looking for the CD detector and located it on a shelf on the other side of the bedroom in which I just dismantled the smoke detector - I repeat, other side of the bedroom - that was it. The CD detector is now sitting beside me, battery removed, but also no beeping. My Son and I had a good laugh but I will sleep tonight.

BV018855

06:56PM | 03/10/19
we are having the same problem so where is Bob Vila to help?

BV019249

12:07AM | 05/07/19
After hours thinking it was in the ceiling. Removing all smoke alarms and still hearing it. Reading this and removing my downstairs CO monitor and still hearing the torture of the chirping. I realized i had a CO monitor upstairs.... No more chirping.. Thank you for suggesting the CO monitor and know it wasn’t in the ceiling and I could have agreed with everyone on this “ Yes its in the ceiling” lol it wasn’t. CO monitor was the solution.. Thank you.

BV019324

06:22PM | 05/18/19
After six days of beeping, removing all the fire alarms, paying an electrician to come out and check the ceiling wires that seemed to be beeping, we found an ancient CO detector in a basket about three feet away.

BV019383

08:14AM | 05/26/19
We returned home after a brief 3 day vacation to the chirping noise. I have replaced all 5 hardwire smoke detectors but still same problem - a single chirp about every 25 seconds. Last night I removed all the detectors and put them outside in my truck. Still chirping. A few minutes ago my wife decided to run the dishwasher. BINGO! Before we left we had opened the door to interrupt the dry cycle and forgot to close it back. The dishwasher has a chirping alarm on it.

The point I would make is that the hardwired system cannot chirp if all devices are disconnected and batteries taken out. Look for an unknown device or an appliance.

BV019439

08:46PM | 06/01/19
Had dame issue and turned out to be a C02 detector with low battery located near smoke detectors....

marietteachrist

09:04AM | 06/26/19
Member Since: 06/26/19
1 lifetime posts
I think the problem is with its wiring. Please check if it is installed properly or not.

BV019856

05:04PM | 07/25/19
Same problem as most on here: Wired Smoke detectors with battery backup. Continued beeping after replacing battery. Turned out my wife had placed (long ago) a battery operated CO detector on top of a cabinet (out of sight), which was on low battery. The sound must have been bouncing off the ceiling making me think that the smoke detector was the culprit. Replaced CO batteries and now blessed silence.

BV020408

11:04AM | 09/19/19
My BRK smoke alert indicated needing a new battery at 4:30am yesterday. I dutifully changed it with one then another new battery, to no avail. I shook it, swore at it, wriggled it and lo and behold it stopped beeping....until 4:30am this morning. So, I got on my ladder (72 year old spritely woman)and pried the unit from the ceiling, unplugging it as recommended and...beeping continued! I did what was suggested on this thread and took the batteries out of my CO unit, to test and then looked around for another culprit. Yes, my Simplisafe speaker was plugged into a nearby parallel wall (staircase separating them). I unplugged it and NO MORE PHANTOM BEEPING from my ceiling! I will replace my smoke alert as it’s older than14 years and should be updated. With all these wireless goodies in our homes today, the internal wiring systems don’t seem to appreciate how things are changing. Hope this helps others!

BV020529

07:33AM | 10/05/19
ITS IS THE CO2 MONITOR.

BV020530

08:36AM | 10/05/19
THANKS SO SO SO SO MUCH to the post from BV001591 on 7/22/13. We were having the same problem and replaced the detector I don't know how many times and it would just keep on beeping.

What do you know...It wasn't the smoke detector at all. It turned out to be the CO2 monitor located near the smoke detector! SO GLAD the chirping has stopped!! Peace...and sanity at last!

BV020705

08:06AM | 10/28/19
10/28/19 at 4am in the f-ing morning: same situation here....our fire alarm in the master bedroom started chirping and we replaced the battery, disconnected, and the gaping hole was still chirping!!! I knew we had a couple of loose CO2 alarms around the house and remembered there being one in a basket in the master bedroom. Turns out the chirping came from that CO2 alarm in the basket! I pressed the reset button on the CO2 alarm and problem solved! I definitely thought that chirping came from the ceiling!

BV020887

08:33PM | 11/17/19
So I have a kiddie smoke alarm. It is downstairs by the door from the garage inside the house. It has a vent with filter beside it. My problem is that when my front loading washing machine spins on high, the smoke alarm starts to chirp. Don't get me started on the shitty placement of stuff to save a buck from the damn builder. It doens't happen all the time just on high speed for washer which is located upstairs right over the area. The intake vent is about a foot from the smoke alarm and is not sucking in air (AC and heat not running) when this occurs.

HELP.


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