Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ Logo
Posted on Dec 29, 2008

Garage Door only opens with wall unitq

My garage door will only open when I hit the wall unit inside the garage.
The remotes will not work at all. When I hit the remotes, the green light flashes on the garage door unit. The door sensors are both green, but the wall unit has a continuous flashing green light.

  • rbayless59 Dec 31, 2008

    Does this solution work when the inside button has but a single button and is not a three-button unit with a dedicated "lock" button?  How do you unlock the sytem using a single-button switch?  How did I manage to lock it?  I've lived in this house for 13 years.


    The light on my single-button wall switch is blinking and neither of my remotes is working.  The door still operates from the wall switch.

  • jamie2tammi Apr 09, 2009

    I have a single button wall switch and my remote is only one switch. The wall button will operate the door but not the remote. I can see the l.e.d. light blink when I push the remote but nothing happens.

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Kevin Kodama

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  • Contributor 37 Answers
  • Posted on Dec 30, 2008
Kevin Kodama
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Joined: Dec 30, 2008
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The unit is in the lock mode, push and hold the lock button in for about two seconds and the green LED should stop flashing. Your remotes should work.

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