How To Test Garage Door Sensors

In general garage door sensors block the door from closing if there is an object nearby.

How to test garage door sensors.

A lack of power supply is one of the most common causes of a malfunctioning garage door sensor. Place an object such as a brick on the ground directly in the path of the door. Measure the height of your garage door sensors. If the garage door closes it indicates that the sensors are not functioning.

This precaution ensures that the door doesn t close when your car is in the doorway. Here s a quick way to test the receiving eye to see if there is a problem. Activate the garage door opener to close the door on the object. Do not handle them more than necessary or you might well put them out of alignment.

Look for small led lights on the sensors. You can choose to press the close button located on the wall of the garage or the remote button. How to check if garage door sensors are working 1. The door should automatically reverse when it makes contact with or senses the object in its path.

The same mechanism kicks in when other objects are placed near the door too. Follow these simple steps to test your garage door s automatic safety reverse sensors. Place the box in the garage doorway making sure the box is in front of the garage door sensors. Sensor path make sure nothing is obstructing the sensor beam.

Modern day garage door safety sensors are usually led and if the sensors are aligned correctly with the two beams connecting they should light up green. If something goes wrong with the sending eye the receiving eye will shut off also. Obtain a few cardboard boxes that are higher than the height of your. Test the sensors ensure that the door is open and activate the opener.