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mel1105

07:10PM | 09/25/06
Member Since: 09/24/06
4 lifetime posts
Bvmisc
Our garage door does not go up if there is an object (or dog) underneath it as it is coming down. This just started about 1 week ago. How do i line up the beam so that the door will go back up when there is an object in the way?

Thanks

Billhart

07:23AM | 09/26/06
Member Since: 04/25/05
1915 lifetime posts
You did not indicate the brand, model, or approximate age of the unit.

Also you where not clear in what it is doing.

And you did not indicate if it gave any error signals with either the light on it or an LED.

With mine, if the beam is broken when as the door closes it immediately reverse and opens all the way and after opening the light flashes several times.

That is from a remote. The wall switch works the same if you release it. Howver, if you hold the button down the whole time it will still close with the beam being interrupeted.

The beam has no affect on opening.

Now if you reveses and THEN STOPS I suspect that the problem is with the UP force limit setting on the opener.

First disconnect the door from the opener and see that it opens and closes freely and is balanced.

Then reconnect it and look for any losness that causes movement, specially when reversing, of the track, where the opener attaches to the door, and the supports for the opener.

If you don't see any problems with those then increase the up limit force a little.


mel1105

05:43PM | 09/26/06
Member Since: 09/24/06
4 lifetime posts
The garage door opener is about 10 years old. Our dog got loose as the door was coming down. She ran out underneath the door. She did this twice. The first time the light flashed several times, then the door reversed and went up. The second time, the door closed completely with the dog on the outside. We tried closing the door and trying to go underneath it, to see if the door would go back up. It did not. Is there some alignment that can be done if a foreign object goes under the door while coming down, that the door reverses and goes back up?

mel1105

05:44PM | 09/26/06
Member Since: 09/24/06
4 lifetime posts
The garage door opener is about 10 years old. Our dog got loose as the door was coming down. She ran out underneath the door. She did this twice. The first time the light flashed several times, then the door reversed and went up. The second time, the door closed completely with the dog on the outside. We tried closing the door and trying to go underneath it, to see if the door would go back up. It did not. Is there some alignment that can be done if a foreign object goes under the door while coming down, that the door reverses and goes back up?

mel1105

05:44PM | 09/26/06
Member Since: 09/24/06
4 lifetime posts
The garage door opener is about 10 years old. Our dog got loose as the door was coming down. She ran out underneath the door. She did this twice. The first time the light flashed several times, then the door reversed and went up. The second time, the door closed completely with the dog on the outside. We tried closing the door and trying to go underneath it, to see if the door would go back up. It did not. Is there some alignment that can be done if a foreign object goes under the door while coming down, that the door reverses and goes back up?

Billhart

08:36PM | 09/26/06
Member Since: 04/25/05
1915 lifetime posts
There is nothing that needs to be reset or adjusted if the door reverses caused by a something blocking the sensors.

As I said if you hold down the wall button while the door is closing it will act as you describe.

But if you use a remote or only press and release the wall button it should reverse when the beam is interrupted.

I am not sure of the date, but I believe that the sensors where not required until some time in the early, mod 90's. Thus it is possible that yours is one of those.

I have an installation instructions on one model that allows OPTIONAL sensors. From what I can tell you just hook them up.

I am not sure how it knows if they are hooked or blocked. Newer models won't work correctly without sensors.

Check to see if the sensors are working correctly. All of them that I have seen have an LED on them to indicate that they are getting power (the transmitter) and the beam is not broken (the receiver).

Look and see if the LED is lite on both of them. And then block them and one of the LED's should go out.


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