Perhaps you fear the sensor might be low on batteries or worse nearing the end of its lifespan.
Garage door sensor light is red.
The light is emitted from one side of the garage door to a receiving unit on the other side of the door.
The problem is either due to a blocked path between the sensors dirty eyes loose wires at the sensors or at the motor head or just bad sensors.
Yellow light instead of red.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
How do they work.
The garage door sensor yellow light and the green light together create a solid illumination.
Here s how to tell if garage door sensor is bad five things to check.
Does your garage door sensor have a yellow light that s making you worry.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
When the infra red sensors are malfunctioning usually one of the sensor lights will be blinking.
When genie safety sensors are misaligned the red receiving sensor light will blink.
Garage door sensors work using an infrared beam of light.
Door starts down abruptly stops goes back up.
Genie garage door openers use a green light for the sending sensor and a red light for the receiving sensor.
If the red source led is blinking twice with the sensor light lit check the door sensor for obstruction and make sure nothing is obstructing the source of the beam.
If the source led is blinking twice and the sensor light is out check the wiring or call customer service see the resources section.
Inspect each sensor to make sure the green or red power indicator lights are illuminated.
The good news is a yellow light is your garage door sensor s descending line.
This is a nice feature because if the light is blinking then you know you have power going to the receiving sensor all you have to do is align them.
The transmitters remotes will not work to close the garage door.
If you see that the sender sensor is not yellow and the receiver sensor is not green then this means that your sensors are probably off.
Replaced the door sensors and alignment appears to be fine as both green red lights are constant.
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.
We ll also highlight the significance of hiring a professional to fix the issue.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.