Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
I would have to make about 6 tries to get the door to close. It would go all the way to the bottom and then come back up again. I pulled the safety latch and let the door go down and now the motor pulls the chain to the top but does not go back down when I push the wall botton or the remote.
Could be the safety "eyes" as suggested (based on the "does not go back down"), but there are also 2 adjustments on the opener. One is to tell it where the floor is, and the other is to tell it how much pressure to reverse at. I would try adjusting the "floor". Since it's hitting the floor and coming back up, that's probably your problem.
Posted on Dec 27, 2008
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Posted on Jan 02, 2017
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