How To Repair Garage Door Opener Sensor

The sensors that make garage doors safer must be located in the worst possible place close to the floor.

How to repair garage door opener sensor.

Look for small led lights on the sensors. Connect the black striped control wire to the black striped safety sensor wire using the crimp wire nut. Door sensors do go bad so if no light is showing at all you may need to replace them. Two possible problems can lead to a garage door reversing before it even touches the floor.

Connect the solid white wires the same way. To do this loosen the terminal screws connected to the broken wires pull the wires out and disconnect them. Strip the ends of the wires that you cut to expose the metal wiring inside of the casing. Garage door openers have an adjustment screw that controls the closing force the pressure with which a door is allowed to descend before the motor switches off when the door reverses before it even hits the floor this is often because the close force.

Repeat the process for the other safety sensor. Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is lack of power supply. If they re turned on in both the sensors then there is no issue with the power supply. Garage door reverses before hitting the floor.

The small light on each sensor should be lit up when nothing is between them. Align or replace the safety sensor. Connect the new safety sensor wires. Strip 1 2 inch of insulation off the end of the replacement wires.

Reattach the cut wires to the new sensors. Cycle the garage door through the opening and closing actions using the control on the garage wall. Fix garage door opener sensors electric garage door openers are a great innovation but as is the case with every electric electronic component things can go bad and malfunction. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

If the door goes up but goes down only when you hold down the wall switch check to see that the safety sensors are in alignment. Separate the control wires on the new sensor. If done correctly you ll have disconnected your safety sensors from your garage door.