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

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I recently put new batteries in my Craftsman remote garage door opener. When I whent to program the units, I accidently programed both of my garage doors to open by pressing one button on the remote. What must i do so that both are not opening when i press the button?

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  • marty metzger Jan 15, 2009

    start over, wipe out all code by holding LEARN for 3 seconds or longer. Then start with keypad, Then remotes,

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After wiping out codes by pushing LEARN button for 3 seconds or more, push for 1 second to add keypad back. Then press again 1 second for each remote.

Posted on Jan 15, 2009

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Keypad code erased after teaching new remote


When programming a remote, all remotes must be programmed at the same time - including the keypad. Not all Craftsman openers operate this way, but some of the older ones do.

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I can't get my older garage door remotes to program with the new unit.Do I have to buy new remotes?


SORRY TO SAY.THE ANSWER IS YES.
THE NEW OPENERS ARE NOT ON THE SAME FREQUENCY.

YOU CAN PURCHASE REMOTES THAT WILL WORK WITH BOTH OLD AND NEW OPENERS (DUAL FREQUENCY).
BUT, OLD REMOTES WILL NOT WORK WITH THE NEW OPENERS.

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Garage door opener Chamberlain - programming problems


I bought a new keypad and 2 VISOR remote (30498). As to programming garage door opener, I did like here:
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- it tooks me 20 minutes and works great

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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.

Aug 20, 2011 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I have a craftsman 139.53651 installed in 1994. It has the learn button for programming new remote codes. Reading through the manual and the Internet, there is no way to reset the code, it only stores one...


I think you are going to be stuck for a new opener. This is highly unusual but does happen. You are right about not being able to change the code. You can erase the codes but once you program it you have put the same codes back in. A new opener will be on a completely different radio frequency and should end this.

Feb 20, 2011 | Sears Craftsman LiftMaster Chamberlain...

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I have an old craftsman 139.655000 garage door and i need to program a new remote to open the door. how do i know what remote to purchase?


There are no remotes available for that opener. Your best bet would be to replace that opener with one of the new state of the art units that are so much safer.

Dec 11, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

I recently bought a house which has a craftsman 1/2 HP garage door opener. The garage door opener works fine using the wall mounted pad and also the numeric key pad, but not with the remote that came with...


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.

Nov 10, 2010 | Sears Craftsman LiftMaster Chamberlain...

1 Answer

Craftsman 1/2hp garage opener Homelink must be under unit to work


Have you tired reprogramming the remotes to the opener?

The opener receiver board may have failed, which happens. You can order a new one from Sears or other places on the Internet, and they are fairly easy to replace.

Once replaced, you will need to program the receiver to you remotes again.

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