Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+ Logo
Posted on Feb 28, 2011
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Will no longer open garage with combination as entered by installer. Daughter may have inadvertently reset code when she plugged in wrong sequence.

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  • Posted on Feb 28, 2011
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I doubt your daughter did something to it but you can try programming it. If it doesn't work after programming then it will need to be replaced.

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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