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Guide
A door that reverses or stops on the way down needs a look. Call and describe it. Leave sensor and force settings to the technician.
In short. A door that reverses or stops on the way down needs a look. Call and describe it. Leave sensor and force settings to the technician.
If the door starts down and comes back up, leave it parked and describe that motion. Photo-eye lamps, an object in the opening, or a binding track are all possible, and you do not have to pick one.
A door that will not start down at all is a different sentence from a door that reverses. Leave limit and force settings to the technician.
An open door overnight is a security worry and a reason to call. Leave the opening alone and call.
Leave the wall button alone.
It could. Do not realign them from a guide.