Garage Door Sensor Lights

Garage door sensors work using an infrared beam of light.

Garage door sensor lights.

Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle. The light is emitted from one side of the garage door to a receiving unit on the other side of the door. If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed. Each sensor has an led light on the exterior of the sensor.

Look at both the garage door sensors. Start by checking if. Inspect each sensor to make sure the green or red power indicator lights are illuminated. Here s how to tell if garage door sensor is bad five things to check.

How garage door sensors work and the color the lights should be. Garage door light flashing but won t close. If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line. The garage door sensor yellow light and the green light together create a solid illumination.

To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor. When you see you garage door opener lights flashing and the garage door will not close it could be the lock button or the safety reversing sensors. Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights. If one of the leds is blinking the sensors need to be realigned.

For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam.