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

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Have a sears garage door opener. Thought the buld was burned out and replaced it. Now light will not turn off.

Garage door light will not turn off.

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Check the sensors on either side of the door.

Also, see if there is a timer setting and if it's at max!

Posted on Aug 18, 2008

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THE POWER SURGE PROBABLY FRIED THE TIMER CIRCUIT.

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Unplug the unit and look inside the socket. there is a copper lead you can bend up as it might not be getting a good contact. If that is not it you can start by replacing the socket itself from the manufacturer. If that does not do it then you will have to replace the logic board. Whether you reair or replace get a surge protector on this unit 900 joules or higher. Thanks BB

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