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

1 Answer

Both of my remotes decided to stop working at the same time I tried to reset and change battery and still dont work. They are less than a year old

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  • advojosie Aug 05, 2010

    We have a wireless pad on the outside of the house and that works. Is it on a different board?

  • advojosie Aug 05, 2010

    Well we bought new batteries for both and still did not work, so I went and removed batteries from some where else that I was working and put those batteries in my remotes and they worked!! It turns out that the bateries we bought were no good! Thank you so much for all your help

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  • Master
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Both remotes quitting at the same time points to the receiver which is part of the logic board. It has failed.

Posted on Aug 03, 2010

  • 3 more comments 
  • advojosie Aug 03, 2010

    I figured something has failed! I am trying to find a way to fix it.

  • Don Maggard Aug 03, 2010

    The only fix for a failed logic board is to replace it. There is no schematic available from the manufacturer.

  • advojosie Aug 05, 2010

    So all I can do I have to replace both remotes?

  • Don Maggard Aug 05, 2010

    No it is not your remotes that have failed. It is the logic board.

  • Don Maggard Aug 05, 2010

    No it is on the same board but uses a different code. Maybe it would help if you tried programming the remotes. Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and hold the button on one of your remotes while you press and immediately release the smart/learn button. See if that changes anything. Otherwise I still think it is your logic board. Make sure the batteries in your remotes are good also.

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