If the beam is broken by any object while the door is closing the door will.
Garage door amber light on sensor.
If when the door is closing the main light blinks 10 times and the door reverses to the open position it is a door sensor problem.
Tighten the terminal screw with a small screwdriver.
If the path between the sensors is unbroken the door will open and close normally.
Stop and reverse to its fully open position.
A common cause of a malfunctioning garage door sensor is lack of power supply.
The solid white wires connect insert to the white terminal and the white black wires connect to the grey terminal.
If they re turned on in both the sensors then there is no issue with the power supply.
Make sure they are pointed at one another and one of them is not blinking ever so slightly.
The light on the sending sensor should always be on even if the sensors are not aligned properly.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Garage door sensors work using an infrared beam of light.
The amber led on the sending sensor will glow regardless of alignment or obstruction.
When this happens the green light on the receiving.
If it s not at the exact height of the other sensor you ll need to adjust it.
For example 6 75 inches.
Once you push this button the light on the garage door opener will flash twice.
Once you see the double flash press the control button on the remote control.
Once you have finished doing this you should see a beam.
Plug in the power cord and observe the lights on the sensors.
If your garage door has been in place long enough enough dirt may have formed on the lenses to block the beam or cobwebs might be in the way.
To adjust the sensor loosen the wing nut with your wrench and set t it to the exact height that the other sensor is at.
Look for small led lights on the sensors.
Safety eye sensors is a transmitter that transmits a beam and the other is a receiver that.
Give your garage door opener a try.
To unlock your garage door opener push the lock button for 5 seconds.
Verify the wire connections are correct on the garage door opener.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.