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

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Chamberlain 1/2hp won't open/close and learn LED flashes 5 times

My Chamerlain 1/2hp opener won't open or close, and the motor hums for a few seconds when I try to activate it. It actually sounds as if the motor tries to move in one direction then the other before it stops. Also, the LED light next to the transmitter button flashes 5 times, pauses for three seconds, then repeats the 5-flash cycle. Any ideas?

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  • hankonthego Jan 03, 2009

    I have same problem and my traveller is all the way against the bolt...

    scott

  • dbaum25 Jan 04, 2009

    We are having the same exact problem w/ the same device however our traveler is not jammed against the bolt...motor sounds but no movement at all - tried unplugging operator for 2 minutes with no solution...

  • Joseph Chapman
    Joseph Chapman May 11, 2010

    Where is the traveler? Is it all the way to the powerhead jammed against the bolt?


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  • 98 Answers

The gear needs to be changed kit #41c4220a. Be sure to change the bottom bushing on the motor mount.

Posted on Jan 04, 2009

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