Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener

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Garage door does not open,from wall switch or remote power is on, light on unit flashes but door does not go up or down

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CHECK TO SEE IF IT IS STUCK AGAINST THE BOLT ON THE RAIL.

IF NOT GOTO
http://help.chamberlain.com/help/en-us/InstructionManuals

DOWNLOAD THE FREE OWNERS MANUAL - READ THROUGH THE TROUBLE SHOOTING SECTION.

HOPE THIS HELPS

Posted on Jun 03, 2010

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