Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
My liftmaster 1/2hp Security+ started acting strange today. It will open or close only about a foot and then it stops or sometimes reverses. Very strange. I know it's not the sensors at the bottom of the door, because that's how I got it up, by sticking my hand in the path of the sensor so it would go up (A little bit at a time). Any help would be very much appreciated. It is a lift master 1/2hp security+ ,chain drive with a model # of 1265LM and a control panel # of 41A5021E.
I believe best and safest solutions is resetting and re-programming the system. here is the instruction manual link;
Also you can call the hotline (1-800-528-2817) of the manufacturer for the step by step reset and re-program the system
Posted on Jan 04, 2008
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Posted on Jan 02, 2017
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