How Does A Garage Door Opener Sensor Work

The units are placed near the ground on either side of the garage door.

How does a garage door opener sensor work. 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. 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. Photo eye sensors detect objects as well as people. Any time an object or person crosses the light beam it breaks the connection between the two units.

The sensors are located above the floor at each side of the door opening and. Here s everything you ll need to know. This precaution ensures that the door doesn t close when your car is in the doorway. Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units.

Disabling the sensor light on a craftsman garage door opener is only temporary and will render the remote controls useless until you reconnect the sensors. These are the most common garage door opener sensors you ll find. The sensors are located low on each side of the garage door and the 2 beams meet performing a connection. Do both garage sensors need to be green.

Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway. All garage door sensors work the same way and serve the same purpose. The first unit emitter creates the light beam which is then received by the second unit receiver. Sometimes the sensor becomes faulty and needs to be replaced.

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. If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door.

In general garage door sensors block the door from closing if there is an object nearby. How garage door sensors work in the majority of cases a photo eye sensor will be installed on the garage door sensor. In turn the electric motor engages a track and pulley system which then opens or closes your garage door. All garage door openers use a sensor light to prevent the door from closing when an object is in its path.

The same mechanism kicks in when other objects are placed near the door too.