chamberlain 1/2 horrsepower garage door opener

AliceI123November 4, 2012

When I push the button in my garage or the door opener in my car the door jerks a little as though it wants to close, but then it stops.

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First, release the door from the opener, there should be a pull-rope hanging down from the trolley, and operate the door manually to help determine if the problem is the door or the GDO.

    Bookmark   November 4, 2012 at 5:14PM
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