Question about Chamberlain Powerdrive PD422D 1/2 HP Security Plus Screw Drive Garage Door Opener
Will only close when you hold and maintain the button, if you let go anywhere during the process it automatically reopens and the light starts blinking, But will open correctly
This is cause when there is something blocking one of the sensors. Look on each side of your garage door near the concrete when the door is closed and you will see small sensors that are facing each other.. Make sure they are not misaligned and that nothing is in front of them.
Posted on Dec 04, 2008
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Posted on Jan 02, 2017
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