At that point a homeowner may want.
Garage door sensor red and green.
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.
There usually is a light on each sensor.
Look at both the garage door sensors.
Garage door sensors work using an infrared beam of light.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
If one of the leds is blinking the sensors need to be realigned.
Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one.
How do they work.
Red sensor lights are an issue because they should generally be green.
A red sensor indicates a problem.
Each sensor has an led light on the exterior of the sensor.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
We ll also highlight the significance of hiring a professional to fix the issue.
And when they re blinking they re flashing a warning to the homeowner that something needs to be corrected.
If getting debris away from the door makes no difference then there s more to the story.