One Garage Door Sensor Not Working

Press the button that closes the garage door on the garage wall or on your remote.

One garage door sensor not working.

Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. 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. 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.

Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors. Now that you have made sure there are no obstructions and that both sensors are aligned properly. If the sensors are working the garage door should immediately stop closing and return to the open position. Follow these easy steps there isn t a solid light coming from the safety eye sensors.

Strip both ends of wires from each sensor and twist like colored wires together. Troubleshooting check if there are any objects impeding the door. Liftmaster suggests them be placed no higher than 6. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Even if there are no evident signs of dust on. Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not. Sweep the garage floors and look through the sidings to ensure that. Cycle the garage door.