Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
Both sensor lights (one green & one Orange are working.
The door won't shut unless I hold the main switch until it is completely closed. The remotes do not work to close the door...just the main button.
I've tried EVERYTHING from lube to alignments...nothing is working.
I get the same light blinks 3 or 4 times after the door fails to shut and retracts back open.
CAN ANYONE HELP!!!
If the main light is flashing 10 times you have a door sensor problem. Might be the wiring to the sensors. Nothing else will cause this flashing of the main light.
Posted on Jul 12, 2009
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Posted on Jan 02, 2017
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