The other post about this opener reminded me of the problem my door's
got. The trolley (I think that's what it is - the metal piece that
slides along the overhead rail as the door moves) is just plain
stuck. When the arm is attached to it, the motor can't budge it. I
can't move it by hand either. It's stuck a couple of inches from the
fully-closed position. How do I unstuck it?
The rail is built from 2 or more pieces. Chances are the trolley is hung up on
where part of the rail attaches there. You may have to unhook the trolley from
the door and lower the rail so you can dismantle it there.
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