Check the status led light.
Garage door sensors are not lit.
Garage door sensors are safety devices that prevent the door from closing on people pets or objects in the doorway.
Look at both the garage door sensors.
The sensor over time causing them to fail just to give a couple of examples.
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.
If one of the leds is blinking the sensors need to be realigned.
If the problem persists check to make sure the garage door is in good enough condition to open i e not rusted make sure the door is not in vacation lock mode and the force settings are correctly set up.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
The garage door sensor yellow light and the green light together create a solid illumination.
For people who do not know the transmitter has the yellow light and the receiving sensor has the green light.
Each sensor has an led light on the exterior of the sensor.
Here s how to tell if garage door sensor is bad five things to check.
Garage door openers will not function with the.
The liftmaster garage door opener lights will flash for ten.
Replacing the safety eyes is a.
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.
Lower is easy to stand above with a foot on either side.
If your garage door sensors are outside of this range remove them entirely from the garage door frame and install leveled inside the safe zone.
Proper height for a garage door sensor is 4 to 6 inches 10 2 to 15 2 cm.
For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam.
They could get hit by something that damages the sensors the sun light could bake.
If it is blinking try unplugging the mechanism for a few seconds.
Higher than that can miss many low lying objects including pets.
Have failed you will have to replace them.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
When genie safety sensors are misaligned the red receiving sensor light will blink.
Fixing the sensor on overhead garage doors.
If the safety eyes.