Model JVM 1540 DNWW
Microwave fan and lights do not work. Main fuse (25A 250V) checked and is OK. Rest of microwave works perfectly. Is there another fuse to be checked?
If one of the surface light bulbs burnt out it may have shorted out the control board. Take the control board out and look for a burnt spot on the board. It may be able to be repaired with a drop of solder or solder in a jumper wire. Or you can purchase a new board, which may cost more than you want to put into the microwave.
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