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

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I have a Craftsman opener with security plus (18 months old-blak transmitter button) and the wireless keypad will open the door by simply hitting enter (no code required). I would assume it had to be the keypad transmitter or logic/power board, but both have been replaced. It is the correct keypad and has worked correctly for over a year before failing.

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Opener can be closed by pressing only the ENTER button if the One Button Close feature has been activated. This feature has been activated at the factory. To activate or deactivate this feature press and hold buttons 1 and 9 for 10 seconds. The keypad will blink twice when the One Button Close is activated. The keypad will blink 4 times when One Button Close is deactivated.


Posted on Aug 02, 2010

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A electric surge knocked out the Garage door opener -transmitters are reset but how can I reset thr wireless opener -it is an old unit with just the numbers and 1 enter button.


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.

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A wireless keypad will not work with your opener. Your opener is pretty old and the new models are much safer. You might consider replacing the entire thing.

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To program your transmitters locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and hold this button for 6 seconds and it will erase all transmitters from memory. Note please: none of them will now work. Now hold down the button on one of the remotes and then press and immediately release the smart/learn button. Do this for each remote.

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1 Answer

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The inside button is hard wired. The keypad is a small radio transmitter. If the battery in the keypad is good and it doesn't work when you put in the code it has probably just quit.

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You must hold that red button in for 6 seconds to erase the memory. Just remember you will have to program your hand remotes plus the wireless keypad.

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I have no idea what a 132C2105-3B is but try this. Hold the button down on the remote and then press and immediately release the smart/learn button. If the remote is the correct one for your opener it should work.

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Locate the smart/learn button just to the left of all those white wires. Press and immediately release it and then key into your keypad any 4 digit code you like and press enter.

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1 Answer

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Your keypad is not the same "generation" as your remotes. You operator will work with your security plus remotes or your old keypad but not both. Yor cheapest solution is to replace your keypad.

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