In general garage door sensors block the door from closing if there is an object nearby.
Garage door alignment sensor.
Garage door sensors work using an infrared beam of light.
The same mechanism kicks in when other objects are placed near the door too.
Garage door sensor alignment tips safety beam sensors for garage door openers need to be aligned and kept clean for proper operation.
If the sensors lights are flashing the door will not go down.
Garage door sensor alignment tips safety beam sensors for garage door openers need to be aligned and kept clean for proper operation.
This precaution ensures that the door doesn t close when your car is in the doorway.
How to align garage door sensors 9 steps with pictures cps u commercial photo eyes liftmaster liftmaster garage door opener repair atlanta marietta read stanley garage door opener 1200 51.
If your garage door is not working correctly it may be an indication that the photo eye requires adjustment.
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How garage door sensors work and the color the lights should be.
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This explains that the door sensors need to be in perfect alignment in order to work.
Sensor path make sure nothing is obstructing the sensor beam.
You will see a steady glowing light on each of the sensors.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
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Lower is easy to stand above with a foot on either side.
If the sensors lights are flashing the door will not go down.
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.
How do they work.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.