Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
Test garage door up sensor.
Generally your garage door sensor will prevent the door from closing if there s an object nearby so you want to make sure nothing is obstructing the sensor beam.
The second line of defense is a set of infrared sensors which should be mounted 4 to 6 above the floor on each side of the garage door frame.
If your garage door closes properly and you re certain there s nothing blocking the sensors then it could mean the sensor itself has a problem.
Ensure that the door is open and activate the opener.
Sometimes the sensor may be beyond repair due to wear and tear and in such a case your best bet is to replace the garage door sensor with a new one.
Test the door with something small in the area just before the door would close.
We might forget to maintain it as compared to the other appliances and tools we have.
Higher than that can miss many low lying objects including pets.
Don t forget the scheduled maintenances of your garage doors and its sensors.
Look for small led lights on the sensors.
A lack of power supply is one of the most common causes of a malfunctioning garage door sensor.
If any object blocks the path of the infrared sensors the garage door opener will not activate or will reverse if operating.
Look at both the garage door sensors.
Measure the height of the boxes to ensure that they have a height higher than that of the door sensors.
The latest garage door sensors are technologically advanced and even allow you to control the opening and closing through an app on your smartphone.
If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone.
Turn it a fraction just a fraction.
For safety purposes do check the sensors of the garage doors are working correctly or not.
If one of the leds is blinking the sensors need to be realigned.
Arrange the boxes in the garage doorway just in front of the sensors.
You can choose to press the close button located on the wall of the garage or the remote button.
Each sensor has an led light on the exterior of the sensor.
Remote control often times a garage door issue boils down to the remote control and more often than not fixing the remote is as simple as replacing the battery.
Lower is easy to stand above with a foot on either side.
If you look at the sensor on the right light lens you should find the force adjustment switch just under the light.
General tips for keeping garage doors up to date 1.