This can happen from old age your basic wear and tear or even constant exposure to the sunlight.
Garage door eye sensors problems.
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.
Garage door sensors use infrared light.
Garage door photo eye troubleshooting 2.
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.
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 sun also carries infrared light which is more powerful than the light of the sensors.
If the wiring is fine and your garage door opener is still not working then the problem may be that one of the sensors has simply failed.
Sensor power reconnect the sensor to its power supply a common cause of a malfunctioning garage door sensor is.
Sensor path make sure nothing is obstructing the sensor beam 1.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
This indicates that the sensor is.
Check for lights each g arage door photo eye should have a small led light on it.
Check for obstructions when photo eyes are working as they should you ll find that any obstruction in the door will.
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.
Automated garage door systems explains why this happens.