Why does my microwave make a buzzing sound?

March 2024 · 2 minute read

If your microwave is making a buzzing noise or a loud humming sound, it’s likely that a high voltage component has broken or failed – often the magnetron, diode or wave guide. The magnetron tube emits radiation from the microwave, which heats the food and normally doesn’t make any sound at all.Click to see full answer. Also asked, why is my microwave buzzing when not in use?Magnetron. If your microwave is making an unusual or loud humming noise, you may have a problem with the magnetron. This component is part of the high voltage circuit and provides the microwaves that generate the heat. Disconnect the power and also discharge the high voltage capacitor to prevent an electrical shock.Beside above, what sound does a microwave make? The whooshing sound a microwave oven makes has nothing to do with the magnetron, which resonates at a frequency far too high for human hearing. The noise is from the fan that blows air across the magnetron to keep it cool. HUM: Microwave ovens also produce a hum. Herein, how much does it cost to replace a magnetron in a microwave? Here are prices for parts (excluding labor) that commonly need to be replaced in malfunctioning microwave ovens: Magnetron: $100–$150. Transformer: $100–$150. Touchpad: $20–$50.Can my microwave explode?As others have mentioned, microwaves themselves don’t explode, they heat things. Since they can penetrate food, they heat water in the food that’s on the food’s interior.

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