Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
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Posted on Jan 02, 2017
SOURCE: garage door opener
I was having a problem with the remotes. Program one remote, and the other stops working and vice-versa. I found the solution to be as follows: Using 61LM single-button remotes for Lift-master WhisperDrive (belt drive) garage door opener, I set the dipswitches (find them by removing battery replacement cover) to identical settings in both remotes. Set the first dipswitch to the neutral (0) setting. Next -- and this is the important part -- press the learn button on the main door opening unit, and, while the small LED light is lit, press the button on ONE of the remotes. DO NOT REPEAT ON THE SECOND REMOTE. Upon doing this, I found that BOTH remotes at last worked. I then went on to program a keyless entry pad, which was accomplished by again pressing the learn button on the main unit, and then entering the number sequence I had chosen for my entry code on the keypad, and pressing Enter. Both remotes continued to function and the keypad functions as well.
Posted on Jan 17, 2009
This is not too uncommon. What tripped the breaker in your house also got to one of the relays on the logic board of your opener. The only cure I know of is a new logic board.
Posted on Jun 18, 2009
If both remotes quit at or about the same time then it is most likely the receiver that has quit. Especially if you have had electrical storms in the area. The receiver is part of your logic board.
Posted on Sep 16, 2009
Testimonial: "Thank you. So does that mean I have to replace my receiver?"
To erase the memory of the opener so that your old remote will no longer work you need to locate the smart/learn button on the rear of the motor unit. Press and hold this button for 6 seconds. No remotes will now work.
To program the new remote when you get it, hold the button down on the remote and then press and immediately release the smart/learn button.
Call any local door opener repair company from the yellow pages and you should be able to buy a remote from them.
Posted on Feb 08, 2010
SOURCE: garage door remote entry code
This multi code device can be programmed. Make sure the battery is good. Linear.com has all the manuals and directions for coding in. make sure and get the model number of the opener and the keypad. Thanks BB
Posted on Sep 05, 2010
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