After the snowstorm and power finally comes back after 28 hours, I found my
garage door opener stopped working.
The light bulb still lit, and the opener motor is running, the chain is
moving but the door just won't open. I have used the manual cord during the
power outage days.. and I noticed now the door arm doesn't move with the
How to fix it?
Easy fix, the door arm is not locked onto the trolley. Lift the door and
slide the arm onto the trolley until it clicks into place. If you can't get
the arm guide onto the trolly just it may be hitting the edge, lift arm a
little and it will slide over and click into place. If the arm slides past
the trolley then the spring attached to the rope is bent or missing.
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