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

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Keypad garage door doesnt work all the time

My keypad opener works on and off, i have to dial the code about 10 times before the door openes. Is that most likely battery problem or time for new keypad?. I tryed to reprogram it, same thing.

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  • energy2 Dec 12, 2008

    My keypad is 9 years old. It was working on and off for 3 weeks and now it does not work at all. The remotes and open/close activation inside the garage work fine.

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MAKE SURE YOUR BATTERY CONNECTIONS ARE CLEAN AND TIGHT.
IF YOU HAVE REPLACED THE BATTERY AND REPROGRAMED THE KEYPAD TO THE OPENER YOU PROBABLY HAVE A BAD KEYPAD AND WILL NEED TO REPLACE IT

Posted on May 28, 2010

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We have a craftsman 13953930D garage door opener with a craftsman keypad entry. I followed the directions for reprogramming the keypad, and it still doesn't work. I've replaced the battery and tried...


First thing you need to do is make sure it is the correct keypad. If it is an older model it will not work with your opener. They correct keypad for your opener is 139.53754.

Nov 21, 2010 | Sears Craftsman LiftMaster Chamberlain...

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Model 940CB/67LMTrouble free for 10-12 years. Now with a new battery after code + enter it will flash about 60 times very fast will not open the door. The door opener works fine with the button on the wall...


You can try programming it but I have a feeling it is bad.

Locate the smart/learn button on the rear of the motor unit. Press and immediately release this and then walk over to your keypad and key in your 4 digit code and press enter.

If this doesn't work you will need a new keypad.

Jun 19, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Can enter code on keypad to lower garage door, however keypad just "flashes" when code is entered to raise door


If your other remotes are working normally I would suspect first of all a weak battery in the keypad. Secondly the keypad could be getting weak and the closed door blocks enough of the signal to cause your problem. An open door lets the signal through. Normally during the time the keypad is flashing you can hit 'enter' again to reverse the door if it is closing or stop the door if it is opening.

Oct 15, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Code Remote and other remotes do not all work at the same time.


Either your keypad has reverted to an earlier technology and will no longer work properly with your opener or you have the wrong keypad. Either way take the model number off the main unit and get the correct keypad.

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

1 Answer

Chamberlain liftmaster keypad works when open but not when closed


try new code with 4 new numbers. maybe a key is worn and cold in morning is not helping,

Jan 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Outdoor keypad frequently doesnt work


IF REPLACING THE BATTERY DOESN'T DO IT YOU WILL NEED TO REPLACE THE KEYPAD.

NOTE: (IF YOU HAVE A ROLLING CODE SYSTEM) YOU WILL NEED TO REPROGRAM THE UNIT AFTER YOU CHANGE THE BATTERY.

HOPE THIS IS HELPFULL

Jan 19, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Keypad garage door opener will not operate


what keypad are you using with new opener? Frequency has changed. can't use old one. you probably never needed to change things; just needed to follow proper coding procedures.

Dec 16, 2008 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Keypad only works when closing door


MANY OF THE NEWER UNITS WILL CLOSE FROM THE KEYPAD WITHOUT PRESSING THE CODE - OR USING THE WRONG CODE.

WHEN YOU REPLACE THE BATTERY YOU MUST REPROGRAM THE KEYLESS TO THE OPENER.

HOPE THIS HELPS

Oct 26, 2008 | Sears Craftsman LiftMaster Chamberlain...

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