Garage door only opens a foot above ground

by Terry
(Flowery Branch, Ga)

I have a Challenger 9300 opener. It raises about 12 inches then slams back down. If I assist it past that point on the lift, it will continue up and fully open. it has no problem closing from full open.

I noticed the top of the garage door seems to have been rubbing along the bottom of the track the chain rides in. I put lithium grease on it, but that didnt do anything but cause it to slam close faster. The track doesnt appear to have moved or slipped from the position it was in.

What's my problem?

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Feb 03, 2015
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restricted movement
by: Donald

Sounds like an installation problem but you could try increasing the opening force by turning the force button 1/4 turn in the increase direction.

Dec 13, 2014
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I am having the same problem
by: Anonymous

I have the same problem with my Wayne Dalton and have searched several sights. This is the first time I have found anyone mentioning the same issue but I was hoping for a solution


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