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