Garage Door Sensor Lights

Here s how to tell if garage door sensor is bad five things to check.

Garage door sensor lights.

The garage door sensor yellow light and the green light together create a solid illumination. The light is emitted from one side of the garage door to a receiving unit on the other side of the door. Look at both the garage door sensors. How do they work.

Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting. Each sensor has an led light on the exterior of the sensor. Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle. 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.

How garage door sensors work and the color the lights should be. If one of the leds is blinking the sensors need to be realigned. 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. We ll also highlight the significance of hiring a professional to fix the issue.

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. Garage door light flashing but won t close. Garage door sensors work using an infrared beam of light. 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.

If necessary you can close the garage door by pressing and holding the door control push bar until down travel is completed.