How To Troubleshoot Garage Door Opener Sensors

Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is lack of power supply.

How to troubleshoot garage door opener sensors. Disconnect the pre wire from the garage door opener connect the white wire from the sensor to the white terminal of the garage door opener and then the black and white wire to the grey terminal. Safety sensors are critical components of most automatic garage doors. Inspect each sensor to make sure the green or red power indicator lights are. If they re turned on in both the sensors then there is no issue with the power supply.

When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity. Replace them if they are too rusty or have damage beyond repair. Two possible problems can lead to a garage door reversing before it even touches the floor. The sensors detect obstructions in the path of a closing garage door and.

If the leds on both sensors glow it means they are not faulty. They need to have a clear line of sight between them in order for the door to work properly. Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle. If the problem is intermittent you may want to do this for a day or two to eliminate the transmitters as the culprit.

Safety sensors are the electronic eyes near the base of the door track on both sides. Garage door reverses before hitting the floor. Look for small led lights on the sensors. Troubleshooting safety sensors for garage doors.

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. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor. A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up. Now point the safety sensors at each other.

Then look to see if the rollers are in working order.