How To Troubleshoot Garage Door Opener Sensors

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.

How to troubleshoot garage door opener sensors.

The best thing to do to troubleshoot the garage door problem is remove the batteries from your transmitters and try operating the door from the wall button. Two possible problems can lead to a garage door reversing before it even touches the floor. 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 critical components of most automatic garage doors.

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. 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. Safety sensors are the electronic eyes near the base of the door track on both sides.

Then look to see if the rollers are in working order. Now point the safety sensors at each other. Garage door reverses before hitting the floor. 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.

Look for small led lights on the sensors. They need to have a clear line of sight between them in order for the door to work properly. 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. The main drive gear is the plastic gear that comes in direct contact with the worm drive gear on the motor.

Replace them if they are too rusty or have damage beyond repair. Troubleshooting safety sensors for garage doors. Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle. Garage door opener won t open all the way fix.

If the leds on both sensors glow it means they are not faulty.