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

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Door operation Doors open and close fine but only with inside key pad. Neither remote will open or close doors, small light on both inside key pads blink continously.

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Ajust the signle

Posted on Feb 11, 2009

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My 2004 Chevy key fob won't unlock the car doors....the lock button works just not the unlock. I replaced battery, try to clean the connections but it still doesn't work. What else can I try?


Open the key fob,behind the plastic pad put smalls aluminum foil
in between the pad and the circuit board of the key fob put separate in each hole close the fob and try

Apr 10, 2014 | 2004 Chevrolet Malibu Maxx

1 Answer

Good Morning My name is Raj. I have a CRAFTSMAN Garage Door Opener 1/2 HP, model# 139.53635SRA (OR) T as the last letter. Issues: I cannot CLOSE Garage Door either with remotes or with key pad by...


If the main light flashes 10 times when the door reverses to the open position it is your door sensors. Make sure the small light on each one is lit and not flickering. Tweak them a little. If you cannot get both lights to come on you have bad sensors.

Sep 30, 2011 | Sears Craftsman LiftMaster Chamberlain...

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My remote opens my garage door but will not close it. It starts to make a clicking sound when the remote button is pushed to close the garage door. It is a chamberlain Liftmaster with wireless key pad....


Check your door sensors. Make sure they are pointed at one another and the small light on each one is lit and not flashing. Tweak them a bit. If you cannot get both lights to come on you have a bad sensor.

Dec 08, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Automatic door locks will not lock rear doors, they open fine when manually locked but will not lock with switch key fob or when put in gear.


You mean that the central locking system will not lock the rear doors but you can do so manually.

Get inside the vehicle and close all doors.

On each rear door, lock and unlock the mechanism manually a couple of times. In other words do not use the key pad.

Then leave both rear doors in the locked position (manual locking) and operate the lock button on you key pad to operate the central locking system. Wait a few seconds then hit unlock on your key pad and a few seconds later hit lock on your key pad.

If the system fails to lock your rear doors you will need to get the vehicle to an auto electrician to check out the issue and rectify it for you. There are a number of possible causes which cannot be identified without physically checking the system. So you will need to have this rectified by a professional.

Dec 01, 2009 | 2005 Chevrolet Silverado

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My garage door will open by using the remote, but will not close when using the remote. To close the door, must use pad on wall (have to depress the button and hold it until the door reaches the bottom....


The problem is with your door sensors. They each have a small light that must be lit for them to operate and the sensors must be pointed at one another for the lights to be on. If they are properly aligned and you still cannot get one or both lights to come on you have a sensor that has failed.

Nov 21, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Garage door won't open.


The most common cause of this problem is the door sensors have been bumped and misaligned. They each have a small light that should be lit and not flickering. Tweak them until they are pointed at one another and the lights are lit.

Jun 03, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Key pad won't open garage door


You probably have an eletrical device that is messing with frequency. Make sure that everything is off inside garage.

Jan 18, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Clossing Door


If the door closes by holding the wall button you have a photo eye issue. Check your photo eyes for proper operation.

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