Zanussi Short Circuit Under Load

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

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.

Possible Causes

Shorted high-voltage capacitor, Shorted high-voltage transformer, Shorted mains filter, Internal wiring short to chassis

Safety first: Do not repeatedly reset the breaker; unplug the microwave.

Check outlet and plug: Inspect the power cord for cuts or burns. Try a different outlet on a dedicated circuit.
Visual inspection (for trained persons): Remove the cover and look for burnt components or melted insulation.
Professional repair: A technician will isolate and test the high-voltage and mains filter components, replacing the shorted part.

Professional Required 5/5

High Voltage Capacitor

Check Price on Amazon

We may earn a commission from links on this page.