What is hvt fuse?
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Answer # 1 #
power I have partially disassembled the MWO (microwave oven). This video demonstrates how to test a fuse on a microwave. Microwaves nearly always use a 250v 20a fuse. You might be running too many appliances on the same circuit, or the oven could be defective. As the title states the microwave is not heating, and if I replace the hvt fuse and start the microwave it will hum loudly and blow again. The upper one is labeled 250V FUSE 20A (HVT Fuse) and the lower one is labeled 250V FUSE 20A Class F.
