How Do Garage Door Eyes Work

An infrared light runs between two photo eyes.

How do garage door eyes work.

These sensors react if they detect an obstruction in the garage door s pathway and immediately open. Garage door photo eye troubleshooting 2. How to adjust a photo eye on a garage door. Check to make sure nothing stored near the garage doorway is obstructing the sensors.

The electric eye has two small boxes one which sends infrared light and the other which receives it. The opener is able to tell when the light beam is blocked. How does a garage door sensor work. The way they function is quite simple.

These sensors send out an invisible beam that connects them. Evaluate the problem you are having with the garage door. Two sensors reside on each side of the garage door normally clipped to the door s side tracks. The photo eye sensors on garage doors are located about six inches above the ground one on either side of the garage door.

In the majority of cases a photo eye sensor will be installed on the garage door sensor. Each of the two boxes has a pair of wires one white and one white with a black stripe. They are very. If the garage door goes up but does not close or only partially closes then reopens.

While some buttons on garage door openers are wired to. This indicates that the sensor is. Those wires go in parallel to. If that ray has been interrupted the garage door will reverse opening instead of closing.

Photo eye sensors detect objects as well as people. Check for lights each g arage door photo eye should have a small led light on it. Garage door openers can be opened with a remote control which activates the motorized trolley. The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door.

If anything interrupts the beam so that the two sensors are not in contact the sensor signals the system to break the circuit so the door cannot close.