Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener
If you have a new Liftmaster the first two connections are for your wall control (red and white) If they are reversed the light on the wall control will not work. The two white wires from the photo eyes go to the next connetion and the two black wires from the photo eyes go on the next connection
Posted on Jan 01, 2009
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Posted on Dec 26, 2008
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Posted on Jan 02, 2017
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Jan 12, 2011 | Chamberlain Powerdrive PD422D 1/2 HP...
Anytime a door opens and/or closes randomly or doesn't work consistently I look for a smashed wire between the motor unit and the wall button.
If the wire is smashed the insulation becomes so thin that power will leak thru the insulation and activate the door or interfere with the remote signal.
Loosen the staples with a small screwdriver and slide the wire about ?½ inch to move any areas of thin insulation away from the staples.
The second thing would be a bad wall button or a remote with a sticking button.
Or a remote in someone
Oct 30, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...
WHEN HOLDING IT DOWN MAKES THE DOOR CLOSE PROPERLY THE PROBLEM IS IN THE SAFETY EYES.
ARE BOTH LEDS ON? - CHECK FOR A LOOSE OR BROKEN WIRE.
ARE THE EYES WIRED CORRECTLY?
ARE THEY AIMED AT EACH HOLDING DOWN THE WALL BUTTON OVERRIDES THE SAFETY EYES.
Oct 10, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...
Sep 08, 2010 | Chamberlain Powerdrive PD422D 1/2 HP...
Sep 06, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...
Jul 10, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...
Feb 08, 2009 | Chamberlain Powerdrive PD422D 1/2 HP...
Jan 10, 2015 | Chamberlain Powerdrive PD422D 1/2 HP...
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