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

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My Wayne Dalton garage door will open with remote but not close. The only way it will close is to hold down the wall mounted garage door button. Then the light goes on and off while clicking. I have checked the alignment and both green and red lights are on. Do I need to reset something?? Please help!!

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Your infrared sensor is either misaligned, faulty, or you have a broken wire from your sensor to your door opener. (Flashing light indicates infrared light path is broken). both sensors should indicate green led. door wil not come down is safty feature to prevent door from closing when light path is broken.

Posted on Jan 16, 2009

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