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???


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


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.


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.


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


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 in the wires or something. Has anyone found a solution yet?


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.


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!!


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.
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