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

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All of a sudden all three remotes stopped working at the same time. Battery is okay, hard wire opener works

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You probably have the lock enguaged on the opener. On the wall control, there is a button labeled "lock". Press and hold for 3 seconds and then release. the light on the wall button should be solid now. Your remotes should work. If the light is solid and the remotes still do not work, press the learn button on the back of the opener motor and then press the button on the remote. The light on the motor will blink once. Repeat on the other two remotes.

Posted on Feb 26, 2009

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