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

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Liftmaster Wall Control Button not working after replacing gear

We recently had to replace the gear in our garage door. After we were done we were able to reset the remote, but were unable to get the wall mounted button to work. The wall mounted button was working before we replaced the gear. Now it will not work and the light on the button is not on. This is the doorbell looking button inside the garage. Thanks so much!!!

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Check wiring back to unit to make sure it's not shorted or broken. You can also reset the garage door opener by unplugging it for a few minutes and plugging it back in.

Posted on Apr 25, 2008

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1 Answer

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  • Stuck remote control button. Check all remotes. check LED on receiver.
  • Staples around Multi-Function Control Panel bell wire could be cutting into that wire. Remove wires from opener and test. Replace staples causing intermittent short.
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