Two types of accidental obstructions can cause the safety sensor to prevent a garage door from closing.
Garage door eye sensors problems.
This can happen from old age your basic wear and tear or even constant exposure to the sunlight.
We see photo eye sensor problems all the time so we re used to handling them but if you re not as familiar with the safety features of your garage door than this can be a little more difficult.
When the lumens of light from the sun surpass that of the infrared sensor light the sensors are not able to signal one another.
The first is an obstruction in the path of the door and therefore in the path of the sensor.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
Automated garage door systems explains why this happens.
Replacing the safety sensors is not a complicated job and is somewhat easy.
Garage door sensors use infrared light.
Sensor path make sure nothing is obstructing the sensor beam 1.
Either the beam is broken by the problem and the garage door won t close at all or the beam isn t properly detecting obstructions and it will close on anything unlucky enough to be in the door s way.
Check for lights each g arage door photo eye should have a small led light on it.
The sun also carries infrared light which is more powerful than the light of the sensors.
Sensor path make sure nothing is obstructing the sensor beam in general garage door sensors block the door from.
Garage door photo eye troubleshooting 2.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is.