2 the door does not move when you press the wall switch the first thing to do is to check that the breaker has not.
Garage door opener malfunctioning.
Other signs include flashing garage door opener lights missing sensor light or flashing sensor lights.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Okay now that you know some of the common signs of garage door sensor malfunction you re ready for the next step troubleshooting.
The photo eyes.
Misaligned photo eyes are another reason for malfunctioning garage door sensors.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Finally it s possible the garage door opener s motor.
The most obvious solution to the problem may be.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
This is related to the up limit switch.
If the door moves then.
It s important to get this switch at just the right distance from the motor so that the door is able to close all the way but the motor also knows to stop running.
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.
Try making small adjustments.