E09
Zanussi IGBT / Power Transistor Overtemperature or Failure

Induction hob shows E09 on one or more zones and they shut down shortly after starting.

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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 IGBT on power module, inadequate cooling, repeated operation at maximum power, thermal paste degradation on heat sink

How to Fix / Troubleshooting

Safety first: Disconnect the hob from the mains and allow it to cool fully. High voltages and stored energy are present inside; only trained persons should work on the power module.

  • Check ventilation and fan: Ensure the cooling fan operates and that vents are not blocked (see E05 procedure). Overheating can trigger E09.
  • Visual inspection: With the hob removed and bottom cover off, inspect the power module for burnt components or discoloration around the IGBTs and heat sinks.
  • Component replacement: Component-level repair (replacing individual IGBTs) is not recommended for typical users. The standard repair is to replace the entire power module assembly for the affected zones.

Recommendation: Due to the complexity and safety risks, E09 faults should be handled by a Zanussi-authorized service technician.

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Repair Difficulty

Professional Required 5/5

Required Part

Induction Hob Power Module
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