Garage Door Motion Sensor Not Working

Here are some troubleshooting tips.

Garage door motion sensor not working.

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. Your motion sensor lights should work some of the time not just on certain occasions. Even if there are no evident signs of dust on. If your motion sensor light won t go off or stays on for long periods of time it may require a reset.

Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. Unplug your garage door opener and plug it back in. 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. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

This is an inexpensive part that can be replaced by any homeowner. Check power supply to garage door opener. 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.

Troubleshooting check if there are any objects impeding the door. Your outdoor sensor lights are not working or they seem less sensitive than usual. If you hear the unit click but the light doesn t come on then you most likely have a bad light socket. Dirt on the motion sensor or contacts will interfere with the light s ability to turn on or off.

Adjust each sensor in small. Sweep the garage floors and look through the sidings to ensure that. 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. Unplug your garage door opener before trying this next step.

Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not.