The sensors are located above the floor at each side of the door opening and.
Garage door sensor switch.
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Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
If you push the garage door opener switch when the sensors are obstructed or not aligned properly your garage door will reverse and the lights will blink 10 times.
Most of the garage doors come with its display sensors that inform the user of the maintenance cycle.
Whenever there is an obstruction the garage door will automatically reverse before causing any damage.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
It operates on a low voltage beam which completed the switch when the door is in running condition.
In general garage door sensors block the door from closing if there is an object nearby.
They do this by using an electric eye sensor that crosses the doorway.
Sensors are a critical safety feature but can prevent an automatic garage door from working properly.
Luckily you can set most automatic garage doors to a manual mode to bypass the sensors.
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The same mechanism kicks in when other objects are placed near the door too.
These are located slightly above the ground on both the right and left sides of the garage doors.
If you notice this happen start by seeing if anything is obstructing the sensors field of view.
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This precaution ensures that the door doesn t close when your car is in the doorway.
If the sensor doesn t receive the beam emitted by its opposite number the door won t close.
The replacement safety sensors project an invisible light beam across the inside of the garage door to prevent accidents and are required for safe use of all chamberlain garage door openers.