If you find the lights turned off in one or both the sensors it indicates that there is a problem in power supply.
Sensor issues with garage door.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
This is something that can also come handy when your car is in the driveway.
Many people use their garage to store things whether it s the lawnmower or boxes of items you re keeping for sentimental reasons.
The first is an obstruction in the path of the door and therefore in the path of the sensor.
Removing the obstruction from the sensor beam.
Another very common issue is that your garage door sensors may be blocked by something in the garage itself.
A common cause of a malfunctioning garage door sensor is lack of power supply.
The while idea behind garage door sensors is to be able to block the garage door.
The garage door sensor yellow light and the green light together create a solid illumination.
Look for small led lights on the sensors.
Neither less to say it can actually prevent the door from fall on any person or object.
If they re turned on in both the sensors then there is no issue with the power supply.