This light should always be on unless it is not getting power.
Green light on garage door sensor not on.
If you do not see a solid illumination or your garage door is not working the problem is most likely due to the sensors being out of line.
If they re turned on in both the sensors then there is no issue with the power supply.
Garage door sensor is blinking green.
These sensors are little black boxes found on either side of the bottom of the garage door.
The sending sensor s yellow or orange led light should always be visible whereas the receiving sensor s green or red light should only be visible when the sensors are aligned unobstructed and function correctly.
If the green light is off check the wiring at the sensor and up at the motor head to make sure there is a good connection.
When this problem occurs the door will stop reverse immediately after activating or if you are holding the wall button down which bypasses the safety system immediately upon release of the button.
If the sensors are working the garage door should immediately stop closing and return to the open position.
This sending sensor transmits infrared light to the receiving sensor which has a green or red light on it.
The garage door sensor yellow light and the green light together create a solid illumination.
Press the button that closes the garage door on the garage wall or on your remote.
So how do you fix this issue.
Inspect each sensor to make sure the green or red power indicator lights are.
If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Look for small led lights on the sensors.
You ll need to first equip yourself with a wrench of some sort and a tape measure.
With any garage door that isn t raised and lowered manually having good automation is part of the value.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
One will have a green light used to show that the units are powered up and the other will have a red light to show that there s no obstruction between the sensors and that they re seeing each other.
Genie is non polarity wiring so you don t have to match up white and black on the wiring.
Each sensor will usually have a light.
If they are in good alignment but not lit check the delicate wires for continuity and firm terminal connections.