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

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My garage door opener will open the door but will not close it. i have to close the door with the manual button on garage wall.

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  • Anonymous Dec 17, 2008

    my garage door opener will open the door but will not close it. i have to close the door with the manual button on garage wall.

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What do i do to fix the safety beam problem? Do i buy two new cencors?

Posted on Mar 08, 2009

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When you close by wall button, are you pushing it or holding it. if holding, you have a safety beam problem.

Posted on Jan 15, 2009

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My liftmaster will open with the remote but to close the door, we have to hold down the wall unit. It starts to close, jerks to a stop, then we have to press and hole the button and it closes.


Hi, it is probably the safety photo beams out of alignment or not working, when this happens the garage opener goes into 'dead man' operating mode, ie you need to keep the button pressed for the door to operate. You can find user and installation manuals here - Liftmaster Garage Door Opener Installation Manuals

Sep 07, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage Door opened but will not close. I opened


I think the trolley has jammed against the bolt just in front of the motor unit. Remove the bolt and then run the door until it is closed. With the door closed locate the 'up limit' control on the side of the motor unit. Turn this 2 turns in the opposite direction of the arrow printed on the cover. Replace the bolt.

Sep 01, 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

I have a jackshaft garage opener, and the open/ close button on the wall do not work. I can manually press the relays to open and close the door. I want it to work right.


Try removing the wall button and the two wires on the rear. Touch them together quickly and see if the opener works. If it does you have a bad wall control. If not you have either bad wiring or a bad logic board.

Jul 22, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman garage door opener - Clicking/blinking - no open/close


First, check the safety eyes. There should be a light on each eye that is on. If not, realign the eyes. If that does not work, check the force settings. They are the blue adjustment screws. They should be set on 4-5. Do not go above 6 or there is a problem with either the door or opener, or both. If this does not work check all of the wiring on the back of the opener. 1 should be a red wire, 2 should be three white wires and 3 should be two black wires. Check the wiring to the wall button. the back of the button indicates red and white screws. To take off the wall button you will have to remove the big white button if you have the "deluxe wall control" If this does not fix it, respond with more info on door position and what happens with remotes and wall button.

Feb 25, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Liftmaster garage door opener will only work at wall unit


check electric saftey beams. shovel blocking them. dirty. aligned (LED on in each unit)

Jan 12, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Door will not close


If you hold the wall button down and the door closes the problem is photo eyes.

Dec 30, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door


TRY THE DOOR MANUALLY AND RUN THE OPENER DISCONNECTED FROM THE DOOR(WITH DOOR IN CLOSED POSITION).

THIS SHOULD ISOLATE THE PROBLEM (ACTUAL DOOR PROBLEM OR OPERATOR PROBLEM).

HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.

ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH OTHER?

IF THE DOOR STOPS/REVERSES (WITH DOOR CONNECTED) WHILE HOLDING DOWN THE WALL BUTTON TO CLOSE YOU NEED TO CHECK THE SENSITIVITY ADJUSTMENT.

HOPE THIS HELPS

Oct 24, 2008 | Sears Craftsman LiftMaster Chamberlain...

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