• 25th June 2024

Garage door safety sensors – How they work and why they matter?


Garage doors are large and heavy objects that pose significant safety risks if not properly operated or maintained. To ensure the safety of individuals and property, modern garage door systems are equipped with safety sensors. These sensors play a crucial role in detecting obstacles or obstructions in the door’s path, preventing accidents and injuries. Garage door safety sensors, also known as photo-eye sensors or photoelectric sensors, are typically installed near the bottom of the garage door tracks, on either side of the opening. The transmitter emits an invisible beam of infrared light, while the receiver detects the light beam. When the garage door is in operation, the sensors continuously monitor the infrared beam’s integrity.

Importance of garage door safety sensors

  • Preventing Accidents and Injuries: Safety sensors prevent people, pets, and objects from being struck by garage doors. By detecting any interruption in the infrared beam, the sensors act as a safety mechanism, immediately halting the door’s movement to avoid collisions and potential injuries.
  • Protection Against Property Damage: In addition to personal safety, safety sensors also protect against property damage. They detect obstacles such as bicycles, tools, or vehicles left in the door’s path, preventing costly damages to both the garage doors repair in oakville and the obstructing object.
  • Child and Pet Safety: Safety sensors are crucial for households with children or pets. They provide an added layer of protection, ensuring that curious children or pets do not accidentally get trapped under a closing garage door.
  • Compliance with Safety Standards: Garage door safety sensors are a mandatory requirement for residential garage doors in many countries. Compliance with these safety standards not only ensures the safety of individuals but also avoids legal complications and penalties.

Testing and maintaining garage door safety sensors

  • Visual Inspection: Regularly inspect the sensors for any signs of damage, misalignment, or obstruction. Ensure that the sensors are clean and free from dirt or debris that could interfere with the infrared beam.
  • Alignment Check: Check the alignment of the sensors by visually inspecting the LED lights on each unit. The LED lights should be illuminated and not flickering. If the lights are not aligned or flickering, adjust the sensors’ positions to align them properly.
  • Sensor Cleaning: Keeping the lenses clean requires periodic wiping with a soft, lint-free cloth. Dirty lenses obstruct the infrared beam and affect the sensors’ functionality.
  • Testing the Sensors: Regularly test the sensors by obstructing the infrared beam with an object, such as a broom or a box. Garage doors should stop closing immediately when the beam is interrupted. If the door does not stop, it indicates a problem with the sensors that require professional attention.
  • Professional Maintenance: Schedule regular maintenance checks with a professional garage door service provider. They thoroughly inspect, test, and adjust the sensors to ensure optimal functionality and compliance with safety standards.

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