garage door sensor light is not on?
I have two garage and two garage door opener.
For one opener, the two sensors at the bottom near the two ends of the garage have green light.
For the second garage door opener, one of the sensor has green light, other sensor on the other end has no light.
Is it an issue with alignment between sensors, loose wiring or sensor is bad and needs to be replaced.
Additional detail - garage door where one of the sensor light is not on is not working. When a door opener button on the wall is pressed, it starts as if to open but then stops again.
other than the sensors needing to be realigned, the light that is not on could be burned out
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