E17
Zanussi
Inverter High-Voltage Module Fault
Microwave displays E17 and stops; may be associated with inverter-type high-voltage systems on newer models.
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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
Failed inverter PCB, Shorted magnetron drawing excessive current, Faulty current-sense circuit, Overheating of inverter module
How to Fix / Troubleshooting
Critical safety warning: Inverter-based high-voltage systems operate at lethal voltages. Only trained technicians should work on these components.
- User-level action: Unplug the microwave for 15 minutes to allow the inverter to reset. Plug back in and test with a short heating cycle.
- Ventilation: Ensure vents are clear to prevent inverter overheating.
- Professional service: If E17 returns, the inverter PCB or magnetron likely needs diagnosis and replacement by a Zanussi-authorized technician.
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Repair Difficulty
Professional Required
5/5
Required Part
Inverter High-Voltage Module
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