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

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Garage door not working

We had a storm come thru and ever since garage door will not work, lights still work.. sensors are on. I have unplugged unit to try to get it to reset as I can not find the reset button. Have any idea where it is?

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Replace opener.

Posted on Jan 18, 2009

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The sensors must be pointed at one another to work properly. If one of them has been bumped it will cause the situation you have. Tweak them a bit to see if the light will come on. If it doesn't you have either a bad sensor or a bad logic board. Maybe you could move the sensors from the door that is working to eliminate the possibility of a bad sensor.

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Unfortunately storms do bad things so door openers sometimes. It has most likely gotten to your logic board. You can remove that board and look for burnt or missing traces of the print. Random flashing of that LED is normal.

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