Garage Door Opener Motor Is Weak

This is a very common failure with single phase hvac equipment too.

Garage door opener motor is weak. That wiring can become damaged or disconnected. Garage door opens but the motor won t stop running. T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener. When this unusual problem occurs it means the up limit switch probably needs to be moved away from the motor unit.

These motors have a run capacitor that can get weak or go bad reducing the motor s start and run torque below acceptable levels. Check that wires are securely attached to the sensor s photoelectric eyes each eye has 2 wires and the wall unit. Many garage openers use nylon drive gears that wear in time and need replacing. Very often when your garage door opener is not functioning properly it can be repaired.

Many garage door openers use fractional horsepower psc motors. External wiring connects the wall mounted door control and the safety sensor to the motor unit of the garage door opener. If it happens at all it will usually be noticed when you first install the garage door opener. It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.

Diagnosing and repairing your existing motor may be a less expensive option than replacing the entire unit. Try making small adjustments. If your garage door opener will not open or close the garage door when holding down the wall button and you can hear the motor operating it is most likely an internal or external drive gear on the door opener that has worn or damaged. It is rare for this problem to suddenly appear.