I have model # MMV5000ADA ,13.5 amps, watts 1450, vac 120, HZ 60, DHHS code No. H7NF Manfactured in Cleveland, OH in April 1998.
My problem started when I was defrosting some fish. I turned on the light under the hood at the same time and I got a bright flash from the light unit and the microwave stopped working. I believed that both lights had blown. Since then, I have attempted to replace the lights { I get no response}. When I start the microwave, I get a humming sound and the food does get hot, but it is not evenly heated. Also, the vent fan is not working. No circuit breakers were tripped and all other operations on the microwave keyboard continue to function except the light switch. I have unplugged the microwave for several days and then attempted to operate the microwave with the same results. I have defrosted meat before and turned on the lights simultaneously, but I this never happened before.
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