Look for small led lights on the sensors.
Garage door amber light on sensor.
Safety eye sensors is a transmitter that transmits a beam and the other is a receiver that.
If it s not at the exact height of the other sensor you ll need to adjust it.
When this happens the green light on the receiving.
Once you have finished doing this you should see a beam.
For example 6 75 inches.
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.
The amber colored light is the transmitter and the.
If they re turned on in both the sensors then there is no issue with the power supply.
Once you see the double flash press the control button on the remote control.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
The light on the sending sensor should always be on even if the sensors are not aligned properly.
Garage door sensors work using an infrared beam of light.
Tighten the terminal screw with a small screwdriver.
If the beam is broken by any object while the door is closing the door will.
Verify the wire connections are correct on the garage door opener.
Make sure they are pointed at one another and one of them is not blinking ever so slightly.
To unlock your garage door opener push the lock button for 5 seconds.
Give your garage door opener a try.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
Plug in the power cord and observe the lights on the sensors.
If the path between the sensors is unbroken the door will open and close normally.
If both lights are not illuminated proceed to the next step.
Stop and reverse to its fully open position.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
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.
Once you push this button the light on the garage door opener will flash twice.
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.
Chamberlain liftmaster and sears craftsman garage door openers manufactured after 1997 will have an amber or yellow light on the sending safety sensor.