(Last Updated On: August 28, 2021)

There are several parts that may cut off the microwave lights:

Cause N1: Bulb

Cause N2: Socket

Cause N3: Wiring

Cause N4: Control Circuit Board

First check the bulb and its Socket. If the bulb and the socket are in good working condition, trace the wiring and test it for continuity with millimeter from control circuit board to socket/s.

If there is no problem with the wiring, consider replacing or repairing the circuit board.

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