If the wiring connections are okay wait a few minutes before plugging the garage door opener back in disconnecting the power resets the logic board after an electrical disturbance.
Garage door opener shorting out.
Try making small adjustments.
If the circuit breaker or gfci is tripping repeatedly it s a sign that there is a short circuit somewhere in the system possibly even the garage door opener itself.
Garage door openers manufactured after 1993 include sensors to prevent a door from closing on a child or pet.
If you garage door is lowering then reversing back to the open position there could.
If you repair the defect s with a soldering iron and a bit of thin copper wire the opener will be ok.
The capacitor is a part inside your opener that stores energy and helps start the motor every time you press the button.
T his is a pretty uncommon problem but one that can happen after you ve first installed your garage door opener.
The solder and the copper it is on vaporizes when shorted.
If your garage door opener stops working and you see smoke coming from the motor you most likely have a blown starting capacitor.
Finally it s possible the garage door opener s motor has burned out and isn t operating at all.
This is related to the up limit switch.
Garage door sensors prevent the garage door from closing if there s something in the way.
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.
If your sensors or garage door motor is blinking or your door doesn t close it s a sign you could have faulty sensors.
Then test whether the opener works.
Unplug the garage door opener and check the wiring connections on the panel.
The burnt trace s are easy to see.
This is a problem that will require you or a service person to replace it.