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. Pull the sensor from the bracket. Disconnect the power cord from the outlet at the ceiling you will have to use a stepladder. 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. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Adjust the garage door opener mechanism. On the garage door motor there will be two knobs or dials to adjust the opener and the reverse sensor. Wiring issues the sensors are connected to the garage door opener with the help of low voltage wiring. Cycle the garage door through the opening and closing actions using the control on the garage wall.

Check that the line of the string is level. My liftmaster garage door stopped closing the normal way. If the green or red power indicator lights on the sensors are not illuminated you need to check the wiring. Use a step ladder to access the garage door opener s power cord and motor unit.

Lay a level so the bottom runs along the string. This video takes you from my problem description to a successful repair all for under 24 00 u s. Connect the new safety sensor wires. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

A garage door opener finally if nothing else works try replacing the units. Continue until the sensors are once again level. Garage door opener won t open all the way fix. Remove the wing nut from the safety sensor.

Refer to the owner s manual to determine which is.