Garage Door Sensor Not Working

This video takes you from my problem description to a successful repair all for under 24 00 u s.

Garage door sensor not working.

My liftmaster garage door stopped closing the normal way. Cycle the garage door. Loosen the nuts just. Adjust each sensor in small.

Remove the wires from the wire nuts or cut the sensor wires 12 from the sensors. If you still haven t identified the problem or if you want to test the sensor wires themselves remove the sensors from the brackets. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. Press the remote control button to close the door.

Make sure the box is also placed in front of one of the photo eyes. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. Sensor path make sure nothing is obstructing the sensor beam 1. Strip both ends of wires from each sensor and twist like colored wires together.

Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is. Place one of the cardboard boxes in the garage doorway. Sensor path make sure nothing is obstructing the sensor beam in general garage door sensors block the door from.