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

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The wall button is blinking like crazy.None of the remotes are working either. I tried to reprogram all of the remotes, but nothing is working. This was all after we lost power for a short period of time

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Press and hold the lock button for 3 seconds on the wall control.

Posted on Jun 02, 2010

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Sounds like your receiver has quit working. To program the remotes do this: Press and hold the button on the remote while you press and immediately release the smart/learn button. Do this for each remote. If this doesn't work your logic board is bad.

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Check to see if the wall control has 3 buttons. If it does one of them is the lock button and you need to press and hold this for 3 seconds. The lock button has an icon of a padlock. If you do not have a 3 button wall control programming the remotes should cure it.

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CHECK TO SEE OF THE LED IN THE WALL CONTROL IS FLASHING. IF IT IS PRESS THE LOCK BUTTON FOR ABOUT 2 SECONDS & RELEASE. THIS BUTTON IS USED AS A VACATION LOCK OUT FOR ALL THE REMOTES AND MAY HAVE BEEN PRESSED BY ACCIDENT.

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Did you actually go to the power head and push the program button, then the remote button?

Is there a small wire hanging down from the power head? It's the antenna wire.

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It sounds like the wall button has the lock feature engauged.

Is there a small green LED flashing inside the wall button?
Push and hold the lock button for about two seconds and the LED should stop flashing. This will unlock the garage door opener and your remotes should start working. You may have to reprogram your remotes and homelink again since you triedprograming in the lock mode.

Good luck.

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IS THE LED FLASHING ON THE WALL BUTTON??

IF THE LED IS FLASHING THE LOCK FEATURE HAS BEEN ACTIVATED. PRESS THE LOCK BUTTON ON THE WALL CONTROL AND THE LED SHOULD STOP FLASHING.

NOW YOU CAN REPROGRAM REMOTES AND YOU ARE ALL SET.

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