My Garage Door Sensors Are Not Lighting Up

Liftmaster suggests them be placed no higher than 6.

My garage door sensors are not lighting up.

There will be two scenarios when you check your sensors. Now that you have made sure there are no obstructions and that both sensors are aligned properly. Fixing garage door sensors on an automatic garage door opener. Troubleshooting safety sensors for garage doors.

The sensors detect obstructions in the path of a closing garage door and. If your garage door is not closing and your light bulb flashes ten times there s a problem with the safety sensor. Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is. This video is not intended to fix all of the problems with the garage door sensors just to d.

Make sure there is power to the opener. 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. Safety sensors are critical components of most automatic garage doors.

Loosen the nuts just. Cycle the garage door. In the first scenario an led on one of the sensors will be off or flickering. I think you have a power problem and should start by checking the house circuit breaker.

Follow these easy steps there isn t a solid light coming from the safety eye sensors. Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. 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. Random flashing of that light is normal.

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. Bad sensors will not keep the door from opening and at least moving a short distance in the down direction. Adjust each sensor in small.