Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it.
Sensor alignment garage door.
The garage door sensor yellow light and the green light together create a solid illumination.
Sensor path make sure nothing is obstructing the sensor beam.
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.
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.
This precaution ensures that the door doesn t close when your car is in the doorway.
If an object interrupts the beam.
How a garage door sensor works.
In general garage door sensors block the door from closing if there is an object nearby.
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.
In this video i show you how to realign your garage door sensors so that the garage door can function properly.
Lower is easy to stand above with a foot on either side.
The same mechanism kicks in when other objects are placed near the door too.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.
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.
One of the sensors directs a beam toward the other.
To understand the importance of your garage door sensor first you need to know its basic function.
Sensors may fall out of alignment over time so it s important to understand how to align garage door sensors.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
So how do you fix this issue.
Doityourself has a wonderful explanation.
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.
Higher than that can miss many low lying objects including pets.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.