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.
Garage door opener sensor trouble shoot green livht.
When this happens the green light on the receiving sensor flashes or it stays off altogether.
Once you see the double flash press the control button on the remote control.
Each sensor will usually have a light.
Inspect each sensor to make sure the green or red power indicator lights are.
Sensor power reconnect the sensor to its power supply.
Raise the garage door using the control button on the garage wall or the remote control unit from a vehicle.
Once you push this button the light on the garage door opener will flash twice.
Look for small led lights on the sensors.
The orange light on the sending sensor will remain unaffected and be glowing steadily.
Move the sensors into the garage and out of the sun.
The garage door sensor yellow light and the green light together create a solid illumination.
To unlock your garage door opener push the lock button for 5 seconds.
Garage door sensor is blinking green.
So how do you fix this issue.
Sun shields are a similar more visually appealing option.
If this doesn t fix your problem then the problem is more than likely the safety reversing sensors.
A common cause of a malfunctioning garage door sensor is lack of power supply.
A troubleshooting guide a blinking light on the garage door sensor isn t really cause for alarm but it does let the homeowner know that something s not working quite right.
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.
When your garage door opener is not responding to any command from the remote or the door control you need to check if the opener has electricity.
A simple way to do this is to unplug the garage door opener and then plug in another device say your phone or a light bulb to see if it lights up.
If they re turned on in both the sensors then there is no issue with the power supply.
These sensors are little black boxes found on either side of the bottom of the garage door.
Switch sides the sides of the sensors.
Putting cardboard like a toilet paper tube around the sensor will block much of the sunlight.