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Limiter doesn't stop garage door going up

Posted by CHESTER345 (My Page) on
Thu, Oct 20, 11 at 17:09

I have a Liftmaster 1/2 horse Garage Door Opener. A couple months ago I saw that the worm and drive gear were shredded. I was able to replace the gears. After reconnecting everything the limit switch will try and travel past the contacts in just the up direction (down works fine). I have checked that the brown, yellow and grey wires on the limit switch are secured and in the right locations.

Any more ideas on what I can check? Is it possible my gears shredded because of a bad limit switch or logic board? Is there a way to use the down wire for up also or any other way to get up switch to work correctly?


Follow-Up Postings:

RE: Limiter doesn't stop garage door going up

This is generally caused by a bad logic board.

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