
Operators, safety sensors, controls, and access systems.
Openers
The safety reversal test is quick and tells us a great deal: the door should back off when it meets a solid object on the floor. If it does not, the force or the sensors are wrong, and we correct them before we leave.
Garage Door Opener Diagnosis and RepairThe wall button works every time.
Chain-Drive Opener RepairThe rail shakes when the door runs.
Belt-Drive Opener RepairPress the remote and the motor runs its full cycle, lights on, the usual whir, but the door does not move a centimetre.
Garage Door Opener ReplacementDuring the ice storm the power was off for two days.
Photo-Eye Sensor Alignment or ReplacementThe small light on one of the sensors near the floor has gone dark, or it flickers when someone walks past the track.
Garage Door Remote and Keypad ProgrammingThe new car has three buttons in the mirror for garage doors.
Smart Garage Controller SetupThere is a wireless symbol printed on the opener above the car, and the manual mentions an app, but the head unit has never been…
Emergency Release RepairHalfway up, the door lets go of the opener with a clunk and sinks back to the floor while the trolley carries on to the top alone.