F3
V-ZUG Induction Coil / Power Stage Fault

Induction hob zone does not heat, display shows F3 for that zone.

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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

Open-circuit induction coil, Burnt IGBT or power transistor on module, Loose coil connector, Damaged wiring harness between coil and power module

How to Fix / Troubleshooting

Safety first: Disconnect the appliance from mains before removing it from the worktop. High voltages are present on the power module even after switching off.

Diagnostic steps (technician recommended):

  • Remove the hob and access the underside.
  • Visually inspect the induction coil for burn marks, cracks, or detached windings.
  • Check the coil connector and wiring for discoloration or signs of overheating.
  • Measure the resistance of the coil with a multimeter; an open circuit indicates a failed coil.
  • Inspect the induction power module for blown components, bulged capacitors, or burnt tracks.

Repair:

  • If the coil is open or physically damaged, replace the induction coil assembly for that zone.
  • If the coil is OK but the module shows damage or F3 persists, replace the induction power module corresponding to the faulty zone.
  • Reassemble, ensure all connectors are firmly seated, and test all zones.
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Repair Difficulty

Professional Required 5/5

Required Part

Induction Coil Assembly
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