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

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I have a Chamberlain Liftmaster 2000 series. Every now and then for some reason the remotes don't work or the keypad doesn't work. Each time I've reset the codes with the learn button. It has happened again but this time they won't reset or re-learn. I have tried pushing the learn button and releasing and then holding the remote button. I have tried holding the remote button first and then pressing and releasing the learn button. Each time the green led light stays steady. The batteries in my remotes are new. It must be a problem sensing my remote and keypad. It still opens and closes with my wall mount unit. Any help?

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HI,
I had the same kind of issue.
1St, I completely powered down the system, including pulling the remote batteries.
2nd, I programmed the remotes while the door was closed.
That worked for me.
Good luck, John Brennan

Posted on Oct 11, 2010

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It sounds like the receiver is going bad. It is part of the logic board.

Posted on Sep 27, 2010

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Posted on Jan 02, 2017

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SOURCE: how do I reset my

hope you have not held green button or your renotes will bew erased. Push green button for one second. Go to keypad. Enter 4 digit code and hit ENTER. Bulb on motor should blink. That's it.

Posted on Jan 15, 2009

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1 Answer

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Either you have a bad remote/keypad or you are trying to program older units with a newer opener. Find the unit that doesn't work with the rest and replace it.

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The lock button doesn't affect the keypad. In other words when the lock function is turned on the keypad will still work but your handheld remotes will not. I suspect you have other problems.

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Pull the logic board and check it for burnt or missing traces on the printed circuit. Thunderstorms love logic boards.

Apr 25, 2010 | Sears Craftsman LiftMaster Chamberlain...

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Can I use a liftmaster remote for a craftsman opener?


Yes. If you go to this website it will cross reference between Craftsman and Chamberlain/Liftmaster.

http://www.geniedoor.com/sears-liftmaster-and-chamberlain-cross-reference

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

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