E9
Hansa
Internal Cooktop Electronics Fault
E9 error on induction cooktop, unit may shut down completely
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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
Corrupted firmware on control PCB, Short circuit on logic board, Severe power surge damage, Faulty low-voltage power supply on PCB
How to Fix / Troubleshooting
Safety first: Disconnect the cooktop from mains power.
- Power cycle: Leave the unit disconnected for at least 15 minutes to fully discharge internal circuits. Reconnect and test.
- Inspect for surge damage: Remove the bottom cover and look for burnt components, cracked ICs, or blackened areas on the control PCB.
- Check grounding: Ensure the earth (ground) connection at the terminal block is secure. Poor grounding can cause control instability.
- Board replacement: E9 typically indicates a non-recoverable electronics fault. Replace the Hansa main control PCB / induction logic board as a complete assembly.
Warning: If the error appeared after a lightning storm or power surge, have an electrician check the household supply and protective devices.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control Board (PCB)
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