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

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My Garage door remote 139.53681B is not working. I changed the battery and still does not work. I have not reprogrammed it because I need to know if reprogramming will mess up my keypad entry code.

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Reprogramming your remote will not affect your keypad.

Posted on Oct 01, 2010

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Transmitter quit working for my 3018,I put in new battery??? still lights red led on it but, not open the door...?


Ken, you may have to reprogram transmitter after battery change, check your manual, if you do not have manual, Google search your make and model# manual.
"I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info."
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It could be that your door is binding on the way up and so it stops automatically. Try releasing the emergency pull cord and move the door up and down by hand to see if it is binding, probably near the bottom. The track may be misaligned or there could be something rubbing against the door.

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SOUNDS LIKE SOMEONE MAY HAVE PRESSED THE LOCK / VACATIONS SWITCH ON YOUR WALL CONTROL. IF STILL NOT WORKING AND THE LED IN THE WALL SWITCH IS NOT FLASHING TRY AGAIN TO PROGRAM YOUR REMOTES.

GOOD LUCK

STEVE

Dec 15, 2014 | Craftsman 3/4 Hp Garage Door Opener System...

1 Answer

I have a Lift-Master Security remote garage door opener. It has a new battery. Can it be reprogrammed or do I have to replace the remote?\r\nThank you for your assistance. Model number971LM. It will...


ANY TIME YOU CHANGE THE BATTERY IN A REMOTE IT NEEDS TO BE REPROGRAMED.

ON THE CIRCUIT BOARD YOU WILL FINS A SQUARE BUTTON.
PRESS AND RELEASE NOW HOLD DOWN THE BUTTON ON THE REMOTE FOR ABOUT 20 SECONDS. WHEN YOU PRESS THE REMOTE THE NEXT TIME THE DOOR SHOULD OPEN.

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

1 Answer

Chamberlain remote has stopped working, new


WHEN YOU CHANGE THE BATTERY NO NEED TO REPROGRAM THE REMOTE.
THE FLASHING LIGHT TELLS YOU IT IS SENDING A SIGNAL THAT IS BEING RECIEVED IT IS JUST NOT THE CORRECT CODE TO OPEN THE DOOR.
REPROGRAMING THE REMOTE SHOULD SOLVE THE PROBLEM

HOPE THIS HELPS

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1 Answer

Garage door opener will not respond to security plus remotes


Reset the Liftmaster unit. There should be a red reset button on the unit in the garage. If this does not work, reset the breaker. Good Luck!

Jul 03, 2009 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Remote doesn't work, after changing the battery


Reprogram the remote. Press the learn button on the back of the opener and then press the remote button until the light on the opener blinks once.

Feb 23, 2009 | Sears Craftsman LiftMaster Chamberlain...

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