How Does Garage Door Opener Sensors Work

All garage door sensors work the same way and serve the same purpose.

How does garage door opener sensors work.

Garage door sensors protect your family possessions and pets by not allowing the heavy garage door to close if there is anything in the glide path. The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door. Garage doors may display a. Are garage door sensors universal.

Photo eye sensors detect objects as well as people. The sensors are normally about 4 inches above the ground. If the sensor doesn t receive the beam emitted by its opposite number the door won t close. How garage door sensors work.

The infrared beam from the garage door opener sensors isn t able to be seen by human eyes. Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side. This precaution ensures that the door doesn t close when your car is in the doorway. The same mechanism kicks in when other objects are placed near the door too.

The units are placed near the ground on either side of the garage door. An infrared light runs between two photo eyes. The sensors are located low on each side of the garage door and the 2 beams meet performing a connection. In the majority of cases a photo eye sensor will be installed on the garage door sensor.

This means the sensors will provide the same level of safety once installed no matter what garage door opener it is connected to. There are several different brands of sensors. Do both garage sensors need to be green. As long as the beam isn t interrupted the door will open or close normally.

How does a garage door sensor work. The force of the door s motion can also be adjusted so the door stops moving. The machine kicks in to arrest the door s motion or to make adjustments if a door isn t opening or closing completely. This system allows them to detect obstructions like your car or a kid on a bike.

If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. 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. While some buttons on garage door openers are wired to the house others are remote powered so that you can open your garage door while still in your car. They do this by using an electric eye sensor that crosses the doorway.

Garage door openers can be opened with a remote control which activates the motorized trolley. 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.