Garage Door Motion Sensor Not Working

Here are some troubleshooting tips.

Garage door motion sensor not working.

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. Check power supply to garage door opener. 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.

Failure to do so may cause electrical shock. The sensors have to be aligned with each other and also have to be connected correctly to the garage door system in order to work. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. Cycle the garage door.

Loosen the nuts just. Your motion sensor lights should work some of the time not just on certain occasions. If you hear the unit click but the light doesn t come on then you most likely have a bad light socket. Use a dry cloth to wipe off the sensor then disconnect the power supply and remove the bulb so you can clean the inside of the socket.

If your motion sensor light won t go off or stays on for long periods of time it may require a reset. Unplug your garage door opener and plug it back in. This is an inexpensive part that can be replaced by any homeowner. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Your outdoor sensor lights are not working or they seem less sensitive than usual. According to liftmaster issues with the safety sensor wiring typically occur because of a poor connection incorrectly connected wires or a short in the wire from a staple. If you tried operating your liftmaster garage door opener with the remote control or door control and it didn t work. Adjust each sensor in small.

Dirt on the motion sensor or contacts will interfere with the light s ability to turn on or off.