How To Troubleshoot Garage Door Opener Sensors

Adjust each sensor in small.

How to troubleshoot garage door opener sensors.

Troubleshooting safety sensors for garage doors. Attempt to close the garage door using a remote. Follow these simple steps to test your garage door s automatic safety reverse sensors. Safety sensors are critical components of most automatic garage doors.

Open the garage door manually to about halfway. Align or replace the safety sensor. Loosen the small nuts that hold each sensor to the l brackets with a small adjustable wrench. If they re turned on in both the sensors then there is no issue with the power supply.

The sensors detect obstructions in the path of a closing garage door and. To check if your garage door is balanced perform these troubleshooting steps. Door sensors do go bad so if no light is showing at all you may need to replace them. If the door goes up but goes down only when you hold down the wall switch check to see that the safety sensors are in alignment.

The door should stay open and the motor unit lights should blink. Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is lack of power supply. These sensors are mounted close to the ground on each side of the garage door entrance. Place an object such as a brick on the ground directly in the path of the door.

One of the sensors the sending eye transmits a focused beam of light to the receiving eye. The small light on each sensor should be lit up when nothing is between them. Disconnecting garage door sensors 1 disconnect the power to the garage door. Loosen the nuts just.

Cleaning and adjustment remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. Look for small led lights on the sensors. Cycle the garage door. This will disconnect the garage door from the opener.

Pull the emergency cord down and towards the garage door opener. Flip the circuit that controls the power to the garage door or disconnect the garage door plug from the wall. Garage door openers use safety reversing sensors to prevent the door from closing if a child pet or any object is under the door. The door should automatically reverse when it makes contact with or senses the object in its path.

Place a box or similar object between the safety sensors to block the sensing beam.