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

1 Answer

Door only opens 1 foot........

Why? Using both the remote and the wall button the doors rolls up 1 foot then stalls. I have 1 green light, 1 yellow light, nothings in the way and it has no damage. After 20-25 tries it may open depending on it's mood......WTF

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  • Jim  K
    Jim K May 11, 2010

    Can you open it manually? Is the door really heavy?

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  • Master
  • 3,197 Answers

Most likely you have a broken door spring. Look closely as sometimes it is hard to tell. Also remove the cover and look at the drive gear. It is white nylon and is just in front of the motor.

Posted on Jul 28, 2009

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