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

1 Answer

Garage Door Key Pad

My garage door opener key pad just stop working.

it will not open the garage door.

the keypad on the inside and the and the remote controls work. I have a craftsman garage door keypad model#139.53684 and occassionally in the past I would have jiggle the unit to get it to work. Now it just stopped working all together! When I try to reset the password, the keypad lights start flashing over and over, Am I destined to purchase a new one or is it fixable?

Debbie

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  • Ivan561 Oct 13, 2008

    The Craftsman keyless entry model 139.53684 just quit working altogether I can't get it to even set the code or link up with the opener. Anyone have any suggestions.



    Ivan

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1 Answer

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  • Contributor
  • 504 Answers

Have you tried a new battery??

Posted on May 29, 2010

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SOURCE: Keypad won't work anymore

Lets make sure you are programming it correctly, make sure the battery is new. Press and release the learn button on the motor. Within 30 seconds enter in the 4 digit code followed by the up/down button. The light bulb should flash once. If you can't get it to code in this way you will need to replace the keypad. Thanks BB

Posted on Sep 05, 2010

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1 Answer

My wireless remote keypad stopped working. I changed the battery and it worked to get the garage door down but not up. The key pad is about 7 years old.


It sounds like your keypad is going bad and has a weak signal. It can operate the opener with the door open but with the door between it and the receiver it can't.

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I'm confused about the battery you replaced inside the garage but you can try programming the keypad just to see.

Locate the smart/learn button on the back of the motor unit near where all those white wires go. Press and immediately release it and then walk over and key in your 4 digit code and press enter. If this doesn't work and you know the battery inside the keypad is good, you have a bad keypad.

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Press and hold for 3 seconds the button on the wall control that has an icon of a lock. The light should quit blinking and your remotes will once again work. Holding that button for 3 seconds toggles your openers vacation mode.

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Garage Door Key Pad


Assuming, from what I read, the remote works..The inside switch is just a doorbell switch which will wear out or have the contacts get bent or dirty. Take off wall, and change for new one or see if the contacts can be cleaned or adjusted. If the pad is electronic (coded) the wires may be bad or the control defective. Usually momentary contact of the two wires will cause the door to actuate.

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