One Garage Door Sensor Not Working

Strip both ends of wires from each sensor and twist like colored wires together.

One garage door sensor not working.

Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not. 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. Now that you have made sure there are no obstructions and that both sensors are aligned properly. If you still haven t identified the problem or if you want to test the sensor wires themselves remove the sensors from the brackets. Troubleshooting check if there are any objects impeding the door.

Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors. Replacing your old sensors. Loosen the nuts just. Even if there are no evident signs of dust on.

Cycle the garage door. 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. Adjust each sensor in small. 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.