Garage Door Opener Sensors Not Working

Unplug the garage door opener from the socket outlet and plug in another device.

Garage door opener sensors not working.

Look for small led lights on the sensors. As with many such problems the most common problem is the simplest one the motor unit has been unplugged. To help you troubleshoot your garage door issues here are the top 10 reasons your garage door won t work. It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned out.

If the sensors are working the garage door should immediately stop closing and return to the open position. 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. A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up. Cycle the garage door through the opening and closing actions using the control on the garage wall.

First off your sensors just may need cleaned off so try to gently remove any dust or dirt first and see if that works. This may sound obvious but your garage door transmitters need power to work. If the garage door opener is not powered up it won t work. If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.

The next thing to check is your home s circuit breaker or fuse. If that doesn t work it could be electrical. Check power supply to garage door opener. If they re turned on in both the sensors then there is no issue with the power supply.

Replacing the safety sensors is not a complicated job and is somewhat easy. The first thing you want to check is the socket your craftsman opener is connected to. A common cause of a malfunctioning garage door sensor is lack of power supply. If it isn t it could get in the way of the electronic beam and prevent the garage door from closing because the cardboard tube is breaking the beam.

If the wiring is fine and your garage door opener is still not working then the problem may be that one of the sensors has simply failed. 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. So get a ladder and place it under the opener. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.

Begin by checking the outlet where the door opener is plugged in and make sure the cord is plugged in all the way. This is to verify if the socket works. Press the button that closes the garage door on the garage wall or on your remote. The transmitter batteries are dead.