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

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I have wireless key pad model 139.53684/model 139.18795,both are on there.We didn't get a book or code w/ the house. How do I put a new code in w/out knowing the old code so we can use it?

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Locate the smart/learn button on the rear of the motor unit near where all those white wires go. Press and immediately release this button and then walk over to the keypad and key in any 4 digit code you like and press enter. Make sure the battery in the keypad is good.

Posted on Apr 28, 2010

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My hardwired remote keypad wont work or quit blinking. Its a Craftsman opener manufactured in 1995, model 139.53535SRT. The remote is a Craftsman model # 139.53716. New battery, I unplugged the power unit, made no difference. It wont let me reprogram. Ideas?

Posted on May 01, 2011

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blanchettohd
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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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