Garage Door Sensor Lights

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.

Garage door sensor lights.

How do they work. The light is emitted from one side of the garage door to a receiving unit on the other side of the door. Here s how to tell if garage door sensor is bad five things to check. 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.

Garage door light flashing but won t close. The garage door sensor yellow light and the green light together create a solid illumination. How garage door sensors work and the color the lights should be. Each sensor has an led light on the exterior of the sensor.

We ll also highlight the significance of hiring a professional to fix the issue. If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed. Look at both the garage door sensors. If one of the leds is blinking the sensors need to be realigned.

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. 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. Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. Garage door sensors work using an infrared beam of light.

Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.