One Garage Door Sensor Not Working

If the sensors are working the garage door should immediately stop closing and return to the open position.

One garage door sensor not working.

Sweep the garage floors and look through the sidings to ensure that. Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. If the door doesn t open when you re standing close to the motor unit follow the troubleshooting tips in our garage door opener remotes won t work video to help you fix the problem.

If you still haven t identified the problem or if you want to test the sensor wires themselves remove the sensors from the brackets. Replacing your old sensors. Now that you have made sure there are no obstructions and that both sensors are aligned properly. Follow these easy steps there isn t a solid light coming from the safety eye sensors.

Liftmaster suggests them be placed no higher than 6. Press the button that closes the garage door on the garage wall or on your remote. Troubleshooting check if there are any objects impeding the door. Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not.

Adjust each sensor in small. If the garage door opener lights blink 10 times when you re trying to close the garage door then the safety sensors may need adjustment or the sensor wiring may. Strip both ends of wires from each sensor and twist like colored wires together. Even if there are no evident signs of dust on.