Question about Microwave Ovens
If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor. This will happen each time you try.
If it went dead a few or several seconds after pressing the Start pad, that's usually a failing high-voltage transformer. If it's the transformer, this will happen each time you try.
The high voltage diode can also cause this symptom, but it will only happen once, not every time you try it.
I'd say you have a shorted high voltage capacitor.
Many microwaves have a technical sheet tucked away inside to help in locating and testing components.
Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:
(if it is NOT shorted or burned looking, it's probably fine)
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Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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