Some microwaves have a internal fuse that can be checked. I would do that and look on the manufacturers site to get some tips before scrapping it.
BTW, they are not expensive to replace.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
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