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

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The precise remote issue

Just bought and installed a Chamberlain 315MHz Whisperdrive. It came with one wall button and one remote. The remote just stopped working after a week. I changed the battery, but no luck. I contacted Chamberlain, and they gave me a list of four remotes compatible with my system. I went to the hardware store and placed an order. I received them today and tried to program them. No luck. The wall button works fine, and there is no vacation lockout control to worry about, nor is there a lock option. BTW, I did try reprogramming the old remote but it does not program either. Any ideas?

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Try holding down the wall button. If this does work the door as you hold it down then the problem is misaligned sensors. If it is not that then more than likely the logic board is not good. I have never seen a whisper drive that has a door bell button and only came with one remote though???Thanks BB

Posted on Sep 05, 2010

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If the wall button will operate the door up but none of the devices do then look at the wall button. Find the lock button and push it for 2 seconds and then try the remotes again. This is your vacation lock. You can get a manual at chamberlain.com. Now if the door does not open or close with the remotes you can reprogram them. Press the colored learn button on the motor head and then press the button on the remote. Repeat for each remote. If they fail to program you will need a new logic board. Thanks BB

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I have the Same Problem...
2 similar but independent 315MHz Craftsman door openers stopped receiving any remote signals at the exact same time. One hour they worked , next hour they didn't, no storms in area.

I know remotes are good because they still open our subdivision gate. the Only way to open door is with wall pad. Verified that they are not on vacation lock. 5 different remotes, 2 different keypads all no longer open door.
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1 Answer

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.

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