The photo eye of an automatic opening garage door is a safety feature.
Garage door photo eye.
Photo eyes send a laser back and forth to each other while the garage door is opening and closing.
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If the laser or photo stream is broken the door will immediately stop.
Because of the technology a family pet or a person could walk through the beam and the garage door won t come down on them.
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These sensors sit either side of your garage door near the ground.
Photo eye sensors got created as a result of this order.
If the photo eye senses an obstruction it stops the door from closing and potentially prevents damage or injury to a vehicle.
They shoot an invisible beam between them which will sense if something is between them as it breaks the beam.
Since most photo eye sensors are placed at that two inch height most people know you can simply step high above the infrared light to bypass the system.
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The way they function is quite simple.
If anything interrupts the beam so that the two sensors are not in contact the sensor signals the system to break the circuit so the door cannot close.
Liftmaster 41a4373a garage door openers safety sensors.
41a5034 liftmaster sears craftsman sensor cells photo eyes garage door opener.
If one of the photo eye sensors are malfunctioning it will begin to blink rapidly.
It s time to change the photo eyes sensors you have successfully done the sensors bypass procedure.
In stock on september 16 2020.
These sensors send out an invisible beam that connects them.
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For instance if your garage door is closing and something breaks the laser then the door will automatically raise back up.
The photo eye sensor for a garage door opener is typically placed approximately two inches off of the ground.
The photo eye sensors on garage doors are located about six inches above the ground one on either side of the garage door.