How Do I Fix My Garage Door Sensor

The first thing you need to do is stop the power supply for the garage door.

How do i fix my garage door sensor.

If pressing the button on your garage door s remote control doesn t work check the batteries first. Electric garage door openers are a great innovation but as is the case with every electric electronic component things can go bad and malfunction. Look for small led lights on the sensors. Align or replace the safety sensor 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.

Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm. If you have a laser level you can use it instead of a string to align your garage door. Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag. Move closer to the door.

The small light on each sensor should be lit up when nothing is between them. You will still be able to use the doors by manually opening or closing it. This is a brief demonstration on how to adjust the safety sensors on your garage door. Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is lack of power supply.

Disconnect the emergency release cord. Simple but true the remote transmitter needs power to send a signal to your opener. It s possible you are out of range of the antenna inside the garage. Cycle the garage door through the opening and closing actions using the control on the garage wall.

Modern garage door openers are essentially small radios that operate at about 315mh and a few feet of extra distance can affect the signal. Make sure that the antenna on the motor unit is hanging downward and is not damaged in any way. In this case you will set up the level aligned with one sensor then adjust the opposite sensor until the beam of your laser level is hitting the sensor. To disable your garage door sensor first make sure your garage door is closed or propped up with 2 by 4s just in case it comes crashing down when it s put into manual mode.

If you have an automatic garage door then you have to disconnect the door sensors. Once your garage door is secure pull down on the manual release cord which should be red and located next to the garage door motor.