F30
V-ZUG Non-Volatile Memory or Configuration Error

Oven clock and programs reset randomly; F30 may appear after a power interruption.

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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 configuration data in control board, Power surge or brownout, Failing EEPROM or microcontroller, Incorrect software version after board replacement

How to Fix / Troubleshooting

Safety first: Ensure the oven is safely installed and powered before performing software-related steps.

Step-by-step checks:

  • Factory reset: Use the settings menu to perform a factory reset of the oven. Refer to the user manual for the exact procedure.
  • Stable power: Avoid switching the oven on and off rapidly at the breaker. Ensure the supply is stable and not shared with heavy inductive loads.
  • Software update: If available for your model, have a V-ZUG technician update the control board firmware to the latest version.

When to call a technician: Persistent F30 usually indicates a failing control board that must be replaced and configured by an authorized service partner.

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Repair Difficulty

Hard 4/5

Required Part

Main Control PCB
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