E17
Princess
Magnetron Current Overload
Microwave shows E17 when starting; sometimes accompanied by a loud hum and immediate shutdown.
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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 magnetron, Shorted high-voltage diode, Partially shorted high-voltage transformer, Faulty current-sense circuit on inverter or PCB
How to Fix / Troubleshooting
Critical safety: Unplug the microwave immediately. Do not attempt to restart repeatedly.
- Do not open cabinet: High-voltage components are extremely dangerous. Internal diagnosis must be done by a trained technician.
- Note symptoms: Inform the technician about any loud humming, burning smell, or smoke observed.
- Professional repair: The technician will test and likely replace the magnetron, diode, or transformer with Princess-approved parts.
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Repair Difficulty
Professional Required
5/5
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