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Can you explain what you mean by "don't work"? And is the fan running all the time no matter what at this point? Does the fan stop if you open or close the door? etc...
OK so there are 3 fuses inside this microwave that can cut power to the entire unit. Either one of these 3 fuses has failed, or the display board is shorted and will need to be replaced. The first fuse is part 110 on the diagram in the link below. This is your magnetron thermal fuse and if you don't have continuity, through it you will need to replace both the fuse and the magnetron which is part 1428.
CLICK HERE for diagram
The other 2 fuses are part 27 and 47 in the diagram below. The microwave will need to be uninstalled and completely removed in order to access and see these fuses because the outer shell must be removed to see the parts.
And if none of the fuses check bad, you'll need to replace the control board.
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ok sounds good and good luck!
I wouldn't suggest using any other part other than the OEM part because it is designed for a specific temperature for that microwave and I don't know what that temperature is.
Not a problem and sometimes that is the case so it wouldn't be worth fixing if that were the case. Please remember to rate my service before you leave today. If you need anything else, just let me know.