In some case the light bulb socket will stop working when the logic board for the opener has failed or is.
Linear garage door light not working.
If the fuse needs replacement purchase new fuses at the hardware store.
Unplug the garage door opener then immediately plug the opener back into the electrical outlet.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
This will disconnect the garage door from the opener.
Logic board for the garage door opener.
If the light is still not coming on it could be the light socket or the logic board.
Many times the malfunction can be due to a loose connection or broken wire.
A surge of electricity can both harm the fuses and cause issues with your opener lights.
If the light bulb socket is a part of the logic board the only option would be to replace the logic board and the light bulb socket unit.
It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
Before examining the light bulb check the fuses.
Sweep the garage floors and look through the sidings to ensure that there are no objects to obstruct the door.
Open the garage door manually to about halfway.
For a balanced garage door it should stay in that position without going up or down.
Finally it s possible the garage door opener s motor.
Now leave the door.