Repair Garage Door Opener Sensor

The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.

Repair garage door opener sensor.

Adjust the garage door opener mechanism. Check that the line of the string is level. Replace the main gear drive if the garage door opener makes a grinding noise but the door doesn t move your main drive gear is probably toast. This video takes you from my problem description to a successful repair all for under 24 00 u s.

Wiring issues the sensors are connected to the garage door opener with the help of low voltage wiring. If the line of the string isn t level adjust 1 or both garage door sensors by sliding the mounting bracket upward. Use a step ladder to access the garage door opener s power cord and motor unit. My liftmaster garage door stopped closing the normal way.

Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one. Lay a level so the bottom runs along the string. Continue until the sensors are once again level. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Pull the sensor from the bracket. In most cases that will solve the problem but sometimes a bad circuit board in the main unit is responsible for non functional sensors. Garage door opener won t open all the way fix. Remove the wing nut from the safety sensor.

If the green or red power indicator lights on the sensors are not illuminated you need to check the wiring. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. Cycle the garage door through the opening and closing actions using the control on the garage wall. Disconnect the power cord from the outlet at the ceiling you will have to use a stepladder.

A garage door opener finally if nothing else works try replacing the units.