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

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The garage door wall remote flashes and car remote won't work

The wall mount garage door does not have a separate button for a lock. It is only 1 button and looks like a doorbell. It flashes continually and car remote will not work.

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Usually this can be corrected by programming the opener. Locate the smart/learn button on the back of the opener. It is just to the left of all those white wires. Hold the button down on your remote and then press and immediately release the smart/learn button. Do this for each remote you have.

Posted on Jun 30, 2009

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I had the same problem! Found the solution here:
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Posted on Jul 20, 2016

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2 Answers

Remote won't work but keyless entry does on garage door


If the light in the wall control is flashing press and hold the lock button for 3 seconds. Your remote should now work.

Jul 23, 2012 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

My Chamberlain Liftmaster Formula 1 garage door (2002) has stopped working. The power is on -- light turns on when I push the wall mount button. But the remotes no longer work. The door does not move. ...


The light by the learn button may be sending a diagnostic code. See if it is flashing a number of times, pausing and then repeating. Count the flashes. Is your door stuck in the open posititon?

Jun 11, 2011 | Sears Craftsman LiftMaster Chamberlain...

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I have a door with two buttons and remote but only


On the wall control with the flashing light press and hold the button with the lock icon for 3 seconds and release.

Jan 10, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Wall mount button LED is flashing, remotes won't work, door won't close unless the wall mount button is held down until the door is fully closed


Sounds like you have a couple problems. First of all press and hold the button on the wall control that has a lock icon for 3 seconds and release. This should take care of the flashing LED and the remotes will now work. Having to hold the button on the wall control until the door is closed is usually a problem with the door sensors. Make sure they are pointed at one another and the small light on each is lit and not flickering.

Nov 16, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door will not open close with remote


Press and hold for 3 seconds the button on the wall control with the lock icon.

Aug 29, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door wont work with remote


If the small light in your wall control is blinking it is in the lock mode. Press and hold for 3 seconds the button with the icon of a lock. This will toggle the lock function off.

Aug 04, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Sear garage door wall mount contol light keeps blinking


Hold the button with the lock icon in for 3 seconds. This should toggle the unit off vacation mode and your remotes will work.

May 31, 2009 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Neither remote control will open door but wall mounted button wil


Make sure the code set inside the remote is the same as in the main reciving unit code.

Dec 06, 2008 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

REMOTE CONTROLS WILL NOT WORK-WALL BUTTON FLASHING RAPIDLY


Does your wall switch have a lock feature? By pressing the lock button, the remote control is disabled. A flashing light indicates this feature has been activated.

To deactivate, press and hold the lock button for 2 seconds. The flashing should stop and your remote should work again.

Dec 03, 2008 | Sears Craftsman LiftMaster Chamberlain...

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