Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Please do not send me any more e-mails i am not going yo pay for tech support. i did not solve the problem. thanks for nothing
Posted on Jan 11, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Feb 28, 2013 | Sears Craftsman LiftMaster Chamberlain...
Nov 26, 2010 | liftmaster 373lm Liftmaster Craftsman...
COULD BE A BAD REMOTE, I WOULD TRY ANOTHER ONE FIRST.
COULD BE A FREEZER ETC. PUTTING OUT INTERFERENCE.
Anytime a door opens and/or closes randomly or doesn't work consistently I look for a smashed wire between the motor unit and the wall button.
If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.
Loosen the staples with a small screwdriver and slide the wire about ½ inch to move any areas of thin insulation away from the staples.
The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone
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