Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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I have a Craftsman 1/3 hp garage door opener which has stopped closing with the remote. I've tried to align it by loosing the lug nut and moving the sensors around, have checked the wiring for any breaks, but still can't get the receiver to show a green light. I can close it by holding down the wall button. Both sides are like that, and I actually have to hold down one of the doors as I close it, or it will pop back up. Can anyone help with this? Thank you so much!

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  • sharonmeyeri Apr 22, 2009

    Thank you, Dennis - I just tried to unplug and plug back in, but it still does not solve the problem of not being able to close the door with the remote; only by holding down the wall button until it is closed.

  • dennis_lange May 11, 2010

    Have you unplugged the unit to let it reset. I beleive the reason the one keeps popping up is because of the sensitivity adjustment. All electric garage doors have a sensitivity adjustment so that if it strikes an object on the way down it will stop and open again. Try adjusting the sensitivity adjustment. If this solves the problem, please rate my solution.

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You have a bad logic board.

Posted on Jun 04, 2009

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