Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
Garage door sensor red and green.
The sensors are located above the floor at each side of the door opening and.
At that point a homeowner may want.
Each sensor has an led light on the exterior of the sensor.
Look at both the garage door sensors.
One will have a green light that signifies power to the units and the other will have a red light that signifies that the sensors are seeing each other i e.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
Garage door sensors work using an infrared beam of light.
A red sensor indicates a problem.
How garage door sensors work and the color the lights should be.
If getting debris away from the door makes no difference then there s more to the story.
The sensors are little black boxes about the size of a deck of cards that can be found on either side of the bottom of the garage door.
And when they re blinking they re flashing a warning to the homeowner that something needs to be corrected.
Red sensor lights are an issue because they should generally be green.
How do they work.
If one of the leds is blinking the sensors need to be realigned.