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

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All of a sudden all three remotes stopped working at the same time. Battery is okay, hard wire opener works

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You probably have the lock enguaged on the opener. On the wall control, there is a button labeled "lock". Press and hold for 3 seconds and then release. the light on the wall button should be solid now. Your remotes should work. If the light is solid and the remotes still do not work, press the learn button on the back of the opener motor and then press the button on the remote. The light on the motor will blink once. Repeat on the other two remotes.

Posted on Feb 26, 2009

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I have a liftmaster formula 1 1280R opener that works fine from the wall mount but all of a sudden both remotes and the built-in remote in my car stopped working. It is not the batteries in the remotes. ...


The motor/control unit may have gotten reset. It needs to relearn the codes transmitted by the remotes.

MIne has a "learn" button on the control unit. Press and hold, then press the button on the remote. Lights will flash indicating it has received and stored the code. Release button.

Check to see if the remote works now. If so, all three should be working. If not, dig up your manuals.

Feb 28, 2013 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Remote pad is blinking but not working, blinks about 15 times before it stops. Tried to take the battery out and replace it but didn't help. please help Thanks Aj


You can try programming the keypad but if that doesn't work you will need to replace it if your other remotes work okay.

Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this and then walk over to the keypad and key in any 4 digit code you like and press enter.



Dec 13, 2010 | Sears Craftsman LiftMaster Chamberlain...

2 Answers

Remote control for garage door suddenly stopped working.


Press and hold for 3 seconds the button on the wall control with the lock icon. There you go.

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

3 Answers

Raynor garage opener-remote only works close up sometimes


check to seee if the little wire that hangs out of the operator is hanging out. This wire is the ant. if this is not the problem replace the 12volt battery you can buy them anywhere. make sure you didn't cut off the ant. wire (I have seen customers cut thios wire thinking its an extra and not needed or place the wire inside the box very little signal that way have to be very close)

Jun 05, 2009 | Garage Doors

4 Answers

2 different openers stopped working by remote at the same time


Both the older genie and a newer chamberlain (3-4 yrs old) both run on 390Mhz frequency. sounds like you will have to change your receivers on both operators (365LM 315Mhz) then get 3 button remote so you can program both doors on one remote.

Jan 01, 2009 | Sears Craftsman LiftMaster Chamberlain...

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