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

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We have a LM the professional line, 81 LM 1/2 hp opener. We just had a professional change the coils and 2 days later the remotes (both) and the keypad stopped working altogether. We have changed the batteries and codes trying to troublshoot - that did not help. The hardwired button still works. any ideas?

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The receiver portion of your logic board has quit.

Posted on Aug 02, 2010

Testimonial: "Thanks so much for the info. I'll see if I can replace the piece. Again Thanks"

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Posted on Jan 02, 2017

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