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

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Door not working no sounds

I have power to the opener in the garage but the door will not work at all. remote does not work either

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More than likely you have received a power surge and will need to replace the logic board before it will work. You can run it by hand by pulling the red cord until it is fixed. You can get replacement parts at searspartsdirect.com. Thanks BB

Posted on Sep 03, 2010

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It sounds like the logic board has quit working on the one opener. If you have had lightning or power surges you might remove the logic board and check for loose, burnt or missing traces on the printed circuit.

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It sounds like your remote may have deaad battery OR got de-programmed. I hope you have another door into the garage. You NEVER should rely on a radio remote as the ONLY access to the garage! Many failures can happen to prevent the remote from working.

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And for goodness sakes cut in a new door as EVEN in a condition where the power fails in a disaster you want to have access to your vehicle... this is a "wake up call" for you! There is also a keyed lock that can give you access to the manual trip cord to allow manual opening of the door.

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It sounds like you have a logic board problem. If your remotes work at all it is not a programming problem. You could pull the logic board and check for loose connections especially around the small transformer. 18 years for an opener is very lucky. Their average life is about 1/2 that.

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1 Answer

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It sounds like a case of your keypad losing signal strength enough that it cannot transmit through the closed door. If a new battery doesn't do the job a new keypad will.

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