Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
Garage door opener malfunctioning.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Finally it s possible the garage door opener s motor.
Try making small adjustments.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Misaligned photo eyes are another reason for malfunctioning garage door sensors.
If the door moves then.
This is related to the up limit switch.
This is most likely the reason a garage door won t close.
The most obvious solution to the problem may be.
Here s how to tell if garage door sensor is bad five things to check.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
The photo eyes.
5 typical malfunctions with garage door openers 1 the door does not move when you press the remote if you have two remotes try the other one.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.