How To Test The Sensors Garage Door

Disconnect the power to the garage door.

How to test the sensors garage door.

If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply. Measure the height of your garage door sensors. 2 place the box in the garage doorway making sure the box is in front. Activate the garage door opener to close the door on the object.

If it is a single garage door sensor it will probably be set on one. Turn it a fraction just a fraction. Test the door with something small in the area just before the door would close. The door should automatically reverse when it makes contact with or senses the object in its path.

Slide each garage door sensor downward so it is as low as possible without unscrewing the mounting brackets. Look for small led lights on the sensors. If they re turned on in both the sensors then there is no issue with the power supply. Obtain a few cardboard boxes that are higher than the height of your sensors.

It s important that there s no power running to your garage door motor or you may electrocute yourself when disconnecting the door sensors. 4 tie a string to one sensor so that if pulled across the garage doorway it will run across the center of the sensor. Follow these simple steps to test your garage door s automatic safety reverse sensors. If the garage door closes it indicates that the sensors are not functioning.

The garage door is one of the most prominent parts of our house and they deserve equal care. And if you are planning to upgrade to a new garage door or sensors make sure to check out a few available options in the market. Place an object such as a brick on the ground directly in the path of the door. Test the sensors ensure that the door is open and activate the opener.

Flip the circuit that controls the power to the garage door or disconnect the garage door plug from the wall. A common cause of a malfunctioning garage door sensor is lack of power supply.