It worked as recently as yesterday when I heated up green beans perfectly. Tonight, I went to reheat leftovers and it won't heat up anything, not even a cup of water on any setting. I tried the express cook buttons, the timed cooking, and different powers with no change in the temperature of the food.
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
Hi,
Here is a tip that will help you to figure out what is wrong with your Microwave Oven....
Basic Microwave Oven Troubleshooting Tips
heatman101
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