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A fuse in a microwave can blow due to several reasons, including electrical overload, a short circuit, or a malfunctioning component such as a diode or magnetron. Overheating caused by blocked vents or a malfunctioning cooling fan can also contribute to the fuse blowing. Additionally, using the microwave with metal objects or damaged wiring can create a surge that may cause the fuse to fail. Regular maintenance and proper usage can help prevent these issues.

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1d ago

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