If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Overhead garage door legacy sensors not working.
In the majority of cases a photo eye sensor will be installed on the garage door sensor.
Cycle the garage door through the opening and closing actions using the control on the garage wall or the remote unit from a vehicle.
The transmitter batteries are dead.
If the door does not close completely without hesitation.
The clicking noise you are looking for is the sound that comes from the relay on the circuit board.
One of the sensors sends an infra red beam to the other sensor.
If you do not hear a click coming from the motor housing then the relay on the circuit board is bad.
How garage door sensors work.
If the batteries in your transmitter are dead the transmitter won t be able to send a signal to your garage door to open.
The circuit board on your garage door opener will have to be replaced if you want your light to function properly.
Sometimes however remotes stop working and signals are lost.
Opto interutor speed sensor wheel for an overhead door legacy model 696 and 496 garage door opener.
If they re turned on in both the sensors then there is no issue with the power supply.
An infrared light runs between two photo eyes.
Look for small led lights on the sensors.
To troubleshoot this situation you can simply reset and reprogram the openers in just minutes from your garage.
If not physically enter the garage and hit the switch that opens the door from the inside.
If your door opens with the switch then you have an issue with the sensor in your controller or the.
If you need an earlier style opto wheel please call our help desk to order.
The purpose of a photo eye sensor is to detect if anything is blocking the path of the garage door.
A common cause of a malfunctioning garage door sensor is lack of power supply.
Video of the day.
Photo eye sensors detect objects as well as people.
If any of these sensors should happen to get bumped or misaligned the infra red beam would be thrown off and the garage door won t go down.
This opto wheel is for generation 3 legacy garage door openers.
If this is your situation.
This may sound obvious but your garage door transmitters need power to work.