Safety: Garage doors are heavy and spring/cable systems can be under significant tension. Do not loosen or disassemble high-tension hardware unless you are qualified to do so.
Look Before You Operate
A loose cable, crooked section, off-track roller, visible spring damage, or object in the track are reasons not to keep cycling the opener.
Opener vs. Door Problem
If the opener runs but the door does not travel normally, the door hardware may be preventing movement.
Get the Door Assessed
The goal is to restore controlled movement without forcing damaged or tensioned components.