In general garage door sensors block the door from closing if there is an object nearby.
Sensor alignment garage door.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
Garage door sensors must be aligned to ensure your garage door opens and closes properly.
If an object interrupts the beam.
Doityourself has a wonderful explanation.
Knowing how a garage door sensor works allows a homeowner to be watchful for what might affect it.
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.
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.
Importance of garage door sensor alignment.
Garage door sensors are designed to prevent the door from closing if something obscures the sensor.
Sensor path make sure nothing is obstructing the sensor beam.
This precaution ensures that the door doesn t close when your car is in the doorway.
The photo eye consists of two sensors one on either side of the garage door about 6 inches above the ground.
Lower is easy to stand above with a foot on either side.
Higher than that can miss many low lying objects including pets.
How a garage door sensor works.
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.
So how do you fix this issue.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
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.
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.