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

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Garage door I have a sears craftsman garage door opener. the best way I can explain it is that when I press the wall mounted open/close device(button) it makes a humming or buzzing sound. The door does not move. I looked for a reset button but no luck. I 'lined" up the eyes but no luck there either. Any suggesstions. thanks Lou

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  • Tammy65 Jan 25, 2008

    thanks. I tried that and the door opens easily. Could it be a capacitor?

  • Zeke6185 Jan 31, 2008

    same problem, but the green light indicator on the ceiling mounted unit keeps flashing. I can't get an owner's manual online to see what that means. Any advice is welcome.

  • marisfixit Feb 05, 2008

    I am having a similar problem. I think the code got erased. How do I reset the code? Anyone know.

  • Ricardo1704 Feb 11, 2008

    Took opener down to replace sprocket and gear, and when I reinstalled unit all I get is humming noise from motor. Any ideas?

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Disconnect the door from the opener and manually lift to see if it is binding.

Posted on Jan 24, 2008

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