Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.
The cost of the magnetron is about 95% of the cost of a microwave oven.
Most people don't, for this reason, replace the magnetron, they replace
the whole oven which is probably what you will end up doing.
There is a possibility that the circuit that provides power to the
magnetron is faulty and you need to take it apart, find the proper
electrical leads and test them with a volt meter. To do this you have
to remove it from its mounting and take it apart. It is a fairly
lengthy process however.
Benjamin
I have a panasonic inverter microwave that runs for 3 seconds and then every thing shuts off , except for clock, i smell a burn smell coming from the circuit board area. any ideas thanks neal
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This Model # is NN-S960WA and serial # is AD007702935 Manufactured in March 2000 FCCID:ACLAP4U01 PANASONIC
This Model does not tell me the Cubic size of it anywhere on the unit. But it is the big microwave. Thanks Matt
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