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