Hoover Internal Short Circuit Under Load

Microwave trips the household circuit breaker or blows a fuse as soon as START is pressed.

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Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

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Possible Causes

Shorted high-voltage capacitor, Shorted magnetron, Shorted grill or convection element, Pinched wiring touching chassis

How to Fix / Troubleshooting

Critical safety warning: Repeatedly resetting a tripping breaker can be dangerous. Unplug the microwave and leave it unplugged.

User-level action:

  • Do not attempt further use until the fault is diagnosed.
  • Confirm that other appliances on the same circuit operate normally to rule out house wiring issues.

Next steps:

  • This symptom almost always requires internal component replacement. Contact a Hoover-authorized technician.
  • Technician will test high-voltage and heater circuits for shorts and replace the defective component.
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Repair Difficulty

Professional Required 5/5

Required Part

High-Voltage Capacitor
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