Question about Chamberlain 1/2-HP Whisper Drive Belt Drive Garage Access System

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My door will not go down from remote.It starts,jerks and quit ,lights flash.It is the same from main wall remote also.I have to hold down the the master button for door to go completely down

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It is safety "eyes" sensor issue with your system. Lights flashing on the main console indicate a potential problem. Model up, from yours WD962KD, I believe, has a "smart" wall mountable remote that displays a potential problem. In your case, I would check that both safety "eyes" sensors are working (both should have lights on, one amber and one green). Post if you need more help.

Posted on Nov 01, 2010

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Check to see if the Vacation switch is locked on your wall console. It is a switch on the top of the black wall button. If that is not the problem it sounds like you need to program your remotes. Drop down the plastic cover towards the back of the unit There is a learn button push that and a red LED will come start flashing press and hold the button on your remote until the LED stops flashing (solid red) press the button on your remote again and the light will go off. This will program a remote
Here is a copy of your manual
www.geniecompany.com/docs/GENIE%20EXCELERATOR-ENG.pdf

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