11
Vokera
Internal Software / Configuration Fault
Vokera water heater displays code 11, appliance fails to start after power interruption or software error
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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 PCB firmware, Incorrect parameter settings, Power surge, Incompatible replacement PCB
How to Fix / Troubleshooting
Safety first: Switch off power before accessing the control panel internals.
User actions:
- Perform a factory reset if the user manual provides a safe procedure for your model.
- Turn off power for at least 10 minutes, then restore and check if the code clears.
Engineer actions:
- Verify that the PCB part number matches the appliance model and gas type.
- Reprogram or configure installer parameters using the Vokera service menu or tools.
- If firmware corruption is suspected, replace the PCB with a genuine Vokera board.
Because incorrect configuration can lead to unsafe combustion, only trained personnel should adjust installer settings.
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Repair Difficulty
Professional Required
5/5
Required Part
Main Control PCB
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