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

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Garage door opener

We just bought a house with a sears craftsman garage door opener. we have two remotes. everytime you program one remote the other doesn't work. how can you program it so they both work?

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  • Fred Spence Jul 08, 2008

    I have the same problem. Mine appears related to using a combination of older remotes and new remotes.

    Trying to program the remotes that came with the Liftmaster (Sears) 1265 and Liftmaster 971LM. Either one works but not both.

    Anyone?

  • Anonymous Dec 18, 2008

    bought a new remote and tried to program it by the directions in the manual (add a remote) it didn't work

  • dgbri314 Jan 17, 2009

    Bought two new remotes. Erased all existing codes, and then programmed the new remotes to my lift-master model 1270 and they worked fine. Then, I programmed the keypad. Now, only one remote or the other will work. The last remote programmed is the only one that will work.

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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

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I just purchased Liftmaster 971LM for my 139.53975srt1 Sears 1/2hp garage door opener. It will not program. I have only one working remote that was recycled from my father's unit - it says craftsman...


If the recycled remote is Security + there is no logical reason the new units should not work. If the old remote is a different technology and there have been changes to the opener or a different receiver that could be the problem.

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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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If you didn't, try programming the remote this way.

Press and hold the button on the remote and then press and immediately release the smart/learn button on the motor unit. If this doesn't work you need to make sure you have the correct remote for the model opener you have. Your model number doesn't bring any results from Sears Parts.com.

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Post the model number of the opener and the model numbers of the remotes. The opener model number is found on the end closest to the door and starts with 139.

Try programming the keypad like this:

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.

After programming the keypad see if either remote will work with it. Post this information also.

Oct 24, 2010 | Sears Craftsman LiftMaster Chamberlain...

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It is really important to that you have the correct remotes for your opener. The model number is on the end closest to the door and starts with 139.

Dec 11, 2009 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

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You can find a free manual for your door opener at manualsonline .com You might want to look at how to program it and change the unit to a different frequency. You can sometimes get better response and eliminate interference. Also make sure your battery contacts in the remote are clean.

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1 Answer

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I have a feeling your neighbor operated their door opener when you were programming your new clicker. Try erasing the memory of your opener and then program the clicker again making sure your neighbors do not operate theirs at the same time. To erase the memory hold the smart/learn button in for 10 seconds.

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If you go into the actual unit (on the ceiling) you will see the "code" of the opener. You then program the inside of the remote(s) (take them apart) to match what the actual opener is. Or you can look at the one that works and make the other(s) match that. It is a series of little toggles.

Feb 17, 2009 | Sears Craftsman LiftMaster Chamberlain...

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