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

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Repaced logic board but cannot reprogram the remotes

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If you are sure you got the correct logic board for your opener and cannot program your remotes that came with the opener it is a sign you got a bad board. Have it replaced.

Posted on Sep 30, 2009

Testimonial: "Thx Don Both wired buttons work fine so I assume that you are correct."

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The remotes for my craftsman garage door opener will not reprogram. the light on the rear of the unit does not blink when I try and reset / reprogram the remotes.


Anytime you cannot program more than one remote it is the receiver that has quit working. The receiver is part of the logic board.

Oct 27, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a craftsman 315mhz 1/2 hp opener and both remotes stopped working. The light on the base unit is solid. I tried reprogramming the remotes both from the wall unit and from the opener. The overhead...


Sounds like your receiver has quit working. To program the remotes do this: Press and hold the button on the remote while you press and immediately release the smart/learn button. Do this for each remote. If this doesn't work your logic board is bad.

Jun 24, 2011 | Sears Craftsman LiftMaster Chamberlain...

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Trying to reprogram remotes


Hold the button down on the remote while you press and immediately release the smart/learn button. Do this for each remote. If this doesn't work your logic board is bad.

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

1 Answer

MODEL 139.53975SRT1 1/2 Hp opener will not work with any remotes, I tried to reprogram remotes; pressed learn button, the light next to it came on, pressed button on remote, nothing happened. I cleared...


The correct way to program a remote is to hold the button down on the remote and then press and immediately release the learn button. If this doesn't work your logic board is bad.

Nov 07, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

The remote control for my liftmaster 1280LM garage door opener does not work. I have changed the battery, made sure the lock feature is off and have tried reprogramming the remote. It does not appear to...


The receiver is going out and will not receive signal from the remotes. try to reset it by unplugging the motor from the power sorce for about 30 seconds and then plug back in. this should reset the logic board. If this doesn't work you will need to replace the board

Sep 26, 2010 | liftmaster Chamberlain Garage Door Opener...

1 Answer

Remote capability out on garage opener


If you are having a problem with all your units that transmit a radio signal it is your receiver that is going bad. It is part of the logic board.

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

2 Answers

I have two liftmaster's model 2500 one will not


I have the very same problem. I have 2 Liftmaster 2500, 1/2HP openers installed in a 2 car garage. They are merely 15 feet apart in my garage ceiling. About 15months ago one stopped working by only the remotes. Went through the process of reprogramming the good one 1st and replaced batteries in the remotes, then trying to reprogram the one not working. Checked for radio interference near the one not working no LED or Halogen Lights, no wall tarnsformers, no cell phone interference etc... Nothing worked to on the 2nd
opener in trying to get the remotes working again.
I then purchased a New Logic Board, part number 41A5507-B. It was about $70 and then installed it in the 2nd opener which is not working. Tried to get the remotes programed - still nothing? I was baffled. I called Liftmaster - the only suggestion they gave me was was to totally unplug the GOOD opener and try the reprogramming up close to the 2nd door opener that's not been working. SURE enough - the Opener Remotes "Learned" okay and started working! Liftmaster Help line indicated that the thought to be GOOD opener actual had the defective Logic board and it was over powering the signal from the 2nd opener which was not working. I'll be taking the New Logic board and replacing it in the 1st opener.
Thank you Liftmaster for the help !

Jan 17, 2010 | liftmaster Chamberlain Garage Door Opener...

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