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

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Garage door shuts down, need to press reset to get it to work

When you close our garage door by either the inside button or the new outside wired keypad, it locks down the garage door opener. Is there a lock code the person who is leaving is pressing on the outside wired key pad or is it something else? We have to press the yellow button on the back of the garage door opener to re-activate it.

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  • Anonymous May 15, 2009

    The person leaves and is hitting the inside wall switch. Is this locking the garage door opener?

  • Don Maggard May 11, 2010

    Have you tried releasing the opener and opening the door manually? Is the green light in the wall control blinking?

  • Vince Heuser May 11, 2010

    The only way to lock is from the wall button, there is another problem. Check your springs on the door, if ok give me more detailed info


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On the side of the opener you will find the down limit control. Turn this a bit in the opposite direction of the arrow printed on the cover. You will probably have to tweak it a bit to get it just right.

Posted on May 18, 2009

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