Need garage door service in San Mateo?
Call 650-912-1817 to describe the problem and confirm current availability.
Call 650-912-1817 to describe the problem and confirm current availability.
Do not operate a crooked door
If one side is lower or a cable is hanging loose, stop using the opener until the system is inspected.
Cable work can involve spring tension
Cables, drums, springs and bottom brackets are part of the counterbalance system and should be handled carefully.
Inspect the related hardware
A cable failure can be caused by wear or another component problem, so the technician should check the complete lift system.