How Does A Garage Door Opener Sensor Work

The sensors are located above the floor at each side of the door opening and.

How does a garage door opener sensor work.

These are the most common garage door opener sensors you ll find. All garage door sensors work the same way and serve the same purpose. Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. The same mechanism kicks in when other objects are placed near the door too.

The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door. The first unit emitter creates the light beam which is then received by the second unit receiver. 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. Here s everything you ll need to know.

The units are placed near the ground on either side of the garage door. When it does it s time to go shopping. There are several different brands of sensors. In turn the electric motor engages a track and pulley system which then opens or closes your garage door.

This precaution ensures that the door doesn t close when your car is in the doorway. If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. Some models are advertised to be universal which means a specified unit will be compatible with garage door openers associated with names such as liftmaster chamberlain craftsman and others. The average american garage door opens and shuts 1500 times a year and it s bound to break.

All garage door openers use a sensor light to prevent the door from closing when an object is in its path. Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units. Photo eye sensors detect objects as well as people. Sometimes the sensor becomes faulty and needs to be replaced.

Any time an object or person crosses the light beam it breaks the connection between the two units. In general garage door sensors block the door from closing if there is an object nearby. Do both garage sensors need to be green. They work thanks to two devices located oppositely from each other.

The sensors are located low on each side of the garage door and the 2 beams meet performing a connection.