How Does A Garage Door Opener Sensor Work

Photo eye sensors detect objects as well as people.

How does a garage door opener sensor work.

In general garage door sensors block the door from closing if there is an object nearby. They work thanks to two devices located oppositely from each other. The sensors are located above the floor at each side of the door opening and. When it does it s time to go shopping.

The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door. Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units. All garage door sensors work the same way and serve the same purpose. How garage door sensors work in the majority of cases a photo eye sensor will be installed on the garage door sensor.

Here s everything you ll need to know. This precaution ensures that the door doesn t close when your car is in the doorway. Any time an object or person crosses the light beam it breaks the connection between the two units. In turn the electric motor engages a track and pulley system which then opens or closes your garage door.

When the device detects any person or object in the path of a closing garage door it signals the motor to stop the downward action and switch the motion into reverse to stop the obstacle being crushed. The average american garage door opens and shuts 1500 times a year and it s bound to break. The sensors are located low on each side of the garage door and the 2 beams meet performing a connection. Sometimes the sensor becomes faulty and needs to be replaced.

Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. Do both garage sensors need to be green. These are the most common garage door opener sensors you ll find. All garage door openers use a sensor light to prevent the door from closing when an object is in its path.

The infra red sensors that facilitate your garage door opening system are placed on either side of your garage door doors and they stand approximately six inches off of the ground. There are several different brands of sensors. The first unit emitter creates the light beam which is then received by the second unit receiver. The units are placed near the ground on either side of the garage door.

If the beam of light is interrupted while the garage door is closing the door will stop and rise back up.