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

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Lost keypad security code

I have a Sears Craftsman garage door opener. I have had the same security code forever. stopped working. suspect son was messing around and cannot remember what he inputed

need to clear code and set new security code

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On the back of your motor unit near where all those white wires go you will find a button. Press and immediately release this button and then walk over to your keypad and enter the new 4 digit code you want and press enter. Should do it.

Posted on May 26, 2009

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1 Answer

HOW TO RESET THE SECURITY CODE IF MY KEYPAD IS NOT WORKING


If your keypad isn't working there is no way to reset the code.

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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...

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Craftsman garage door remotes and keypad won't hold the code.


DID YOU BUY THE KEYPAD AND REMOTES WITH THE OPENER. IT SOUNDS LIKE YOU MAY HAVE THE WRONG ONES FOR YOUR OPENER.

CHECK THE FREQ. AND IS IT ROLLING CODE.

Mar 24, 2009 | Sears Craftsman LiftMaster Chamberlain...

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Programming kepad for Sears Craftsman Garagedoor opener 1/2 hp


The only procedure I have ever followed is to press the learn button and then enter the code, and not do anything else. I think your last step of holding the button until the light goes out is clearing codes as fast as you enter them. Just stop after you enter your code and let the learn mode time out on its own. That should do it.

And don't put your head through the wall. It just causes more headaches.

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

1 Answer

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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.

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