Viking
Ground Fault or Leakage Current
Microwave trips a GFCI outlet when plugged in or when starting a cook cycle.
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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
Moisture inside microwave, Leaking high-voltage capacitor, Faulty line filter, Damaged power cord insulation
How to Fix / Troubleshooting
Safety: A GFCI trip indicates a potential shock hazard. Unplug the Viking microwave and do not bypass the GFCI.
- Dry the unit: If the microwave was recently cleaned or exposed to steam, allow it to dry for 24 hours with the door open.
- Inspect power cord: Check for cuts, abrasions, or crushed sections. Replace the cord if damaged.
- Internal inspection: With power off and cabinet removed, inspect for signs of moisture, corrosion, or arcing around the line filter and high-voltage components.
- Professional service: Have a technician test for leakage current and replace any faulty Viking components (line filter, capacitor, wiring) causing ground faults.
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Repair Difficulty
Professional Required
5/5
Required Part
Line Filter / Power Cord
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