Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
Sensor alignment garage door.
To understand the importance of your garage door sensor first you need to know its basic function.
Garage door sensors must be aligned to ensure your garage door opens and closes properly.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
Importance of garage door sensor alignment.
The same mechanism kicks in when other objects are placed near the door too.
If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
The garage door sensor yellow light and the green light together create a solid illumination.
In general garage door sensors block the door from closing if there is an object nearby.
This precaution ensures that the door doesn t close when your car is in the doorway.
Garage door sensors are designed to prevent the door from closing if something obscures the sensor.
One of the sensors directs a beam toward the other.
Sensor path make sure nothing is obstructing the sensor beam.
The installation instructions for a craftsman door opener call for installing the sensors 6 inches above the floor and you can mount them to the floor the wall or the door track with the brackets.
Higher than that can miss many low lying objects including pets.
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.
Lower is easy to stand above with a foot on either side.
So how do you fix this issue.
When the device detects any person or object in the path of a closing garage door it signals the motor to stop the downward action and switch the motion into reverse to stop the obstacle being crushed.
How a garage door sensor works.
The sensor s job is to make sure the garage door won t close if a vehicle person or an object of any kind is in the way of the door.
If an object interrupts the beam.