How A Garage Door Sensor Works

This system allows them to detect obstructions like your car or a kid on a bike.

How a garage door sensor works.

If the beam of light is interrupted while the garage door is closing the door will stop and rise back up. By detecting the tilt of the overhead door the garage door sensor alerts your alarm system if an intruder enters through the garage. 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. Garage door sensors are purposed to prevent injury to you your pets or your loved ones.

The force of the door s motion can also be adjusted so the door stops moving. Press the button that closes the garage door on the garage wall or on your remote. 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. 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.

This is why both sensors must face each other. The sensors are normally about 4 inches above the ground. They notify your garage door system of any potential obstruction that would disrupt the downward trajectory of the garage door. Two sensors are installed at the bottom of your garage door preferably 6 above the floor.

Are garage door sensors universal. There are several different brands of sensors. Garage door sensors utilize a photo eye sensor and a beam of infrared light that goes between the two units. They can also prevent damage to the garage door and the garage system itself.

The machine kicks in to arrest the door s motion or to make adjustments if a door isn t opening or closing completely. All garage door sensors work the same way and serve the same purpose. The units are placed near the ground on either side of the garage door. Garage door openers can be opened with a remote control which activates the motorized trolley.

As long as the beam isn t interrupted the door will open or close normally. This means the sensors will provide the same level of safety once installed no matter what garage door opener it is connected to. Garage door sensors work by shooting a beam of infrared light across the entrance of your garage to the sensor on the other side. Do both garage sensors need to be green.

How does a garage door sensor work. Once armed if the garage door opens to a 45 degree angle the sensor goes into an alarm condition which can turn on the siren and automatically call the central monitoring station. Your garage door sensors perform a vital function. Place the box in the garage doorway making sure the box is in front of the garage door sensors.

The infrared beam from the garage door opener sensors isn t able to be seen by human eyes.