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

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Door not closing, bouncing back up when reaches sensors

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IF THE SENSORS ARE MOUNTED TO THE TRACK THEY COULD MOVE OUT OF ALIGNMENT WHEN THE DOOR CLOSES. WATCH TO SEE IF THE LED LIGHTS ON THE SENSORS GO OFF AS THE DOOR CLOSES.

THE TRACK COULD BE TOO TIGHT CAUSING THE DOOR TO REVERSE WHEN IT BINDS.

IF THE DOOR IS TOO TIGHT WIDEN THE TRACK AT THE FLOOR. YOU MAY NEED TO CHIP CONCRETE IF IT IS CAUSING THE TRACK TO BE TIGHT.

HOPE THIS HELPS

Posted on May 26, 2010

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