Look at both the garage door sensors.
Garage door sensor lights.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
Keeping opener from closing door on a car animal or a person.
How garage door sensors work and the color the lights should be.
Sensors located at the bottom corners of door that keep door from closing when door opening is obstructed.
Garage door sensors work using an infrared beam of light.
If one of the leds is blinking the sensors need to be realigned.
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Inspect each sensor to make sure the green or red power indicator lights are illuminated.
The garage door sensor yellow light and the green light together create a solid illumination.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
If you see that the sender sensor is not yellow and the receiver sensor is not green then this means that your sensors are probably off.
There are two functions for the led lights on sensors not all sensors have different color lights.
Lower is easy to stand above with a foot on either side.
If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone.
We ll also highlight the significance of hiring a professional to fix the issue.
Higher than that can miss many low lying objects including pets.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
Each sensor has an led light on the exterior of the sensor.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
How do they work.