It s also possible that the circuit breaker fuse or gfci outlet powering the door opener circuit has tripped or burned.
Linear garage door light not working.
Logic board for the garage door opener.
A surge of electricity can both harm the fuses and cause issues with your opener lights.
In some case the light bulb socket will stop working when the logic board for the opener has failed or is.
Finally it s possible the garage door opener s motor.
If the fuse needs replacement purchase new fuses at the hardware store.
Many times the malfunction can be due to a loose connection or broken wire.
They might need to be replaced.
Since the lack of power supply is a common problem check the wires around the sensor when the led lights are not flashing.
Now leave the door.
This will disconnect the garage door from the opener.
Before examining the light bulb check the fuses.
If the light is still not coming on it could be the light socket or the logic board.
Pull the emergency cord down and towards the garage door opener.
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.
To determine which one it is follow the steps below.
As with many such problems the most common problem is the simplest one the motor unit has been unplugged.
Unplug the garage door opener then immediately plug the opener back into the electrical outlet.