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.
Garage door eye sensors problems.
Remove any debris dust or cobwebs from the electric eye lenses on each sensor with a clean rag.
Garage door photo eye troubleshooting 2.
Two types of accidental obstructions can cause the safety sensor to prevent a garage door from closing.
Sensor path make sure nothing is obstructing the sensor beam 1.
When the lumens of light from the sun surpass that of the infrared sensor light the sensors are not able to signal one another.
This can happen from old age your basic wear and tear or even constant exposure to the sunlight.
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.
The first is an obstruction in the path of the door and therefore in the path of the sensor.
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.
Cycle the garage door through the opening and closing actions using the control on the garage wall.
The sun also carries infrared light which is more powerful than the light of the sensors.
This indicates that the sensor is.
Check for obstructions when photo eyes are working as they should you ll find that any obstruction in the door will.
Check for lights each g arage door photo eye should have a small led light on it.