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

1 Answer

Garage door opener will not continue to open garage door.

If I press the garage door open on the main pad it will start to open, then reverse and go back to the original position and the light goes on and off 10 times. I have adjusted the force and that did not seem to do anything. If I continue to hold the button down on the pad, then the door will continue to travel and if I take my finger off the button when it is closed it stays closed. Pushing the button and removing my finger will now cause normal operation of the door closing. My unit is a model 1160 LM and does have have light sensors at the door. It will reverse automatically when it hits something. If I unhook the trolley from the garage door it responds the same way, so it does not appear that my problem is from a binding door. Can anyone help?

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  • veval Jul 20, 2009

    It seems like you are prescribing the standard solution for my problem, but as I explained in my post the problem is that I have no small lights (sensors) on either side of the door. My door reverses from the the amount of pressure when it hits something. Yet I can completely free up the door by releasing the trolly and when I hit the button on opener pad to active the motor it starts to close for about 1 foot and then immediately reverses unless I continue to hold the button on pad in.

  • veval Jul 20, 2009

    You are right about it being my problem, but I am using the same garage door opener that I put new gears into. It did not have door sensors before and it worked.

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You say your door won't open and then you say your door won't close. Anyway you have a door sensor problem. Make sure they are pointed at one another and the small light on each one is lit and not flickering. If you tweak them and the lights don't come on then you have either a wiring problem or a bad logic board.

Posted on Jul 20, 2009

  • Don Maggard Jul 20, 2009

    If the main light goes on and off 10 times you have a door sensor problem. If you have no door sensors then that is your problem.

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