V-ZUG AdoraWash / Unimatic V2000-V6000 Swiss Precision Washer: Inverter DC bus rail voltage anomaly F05; excessive AC ripple voltage or unstable DC rail (>340V or <220V DC) detected on drive PCB.
On V-ZUG washing machines featuring AdoraWash vibration absorbing system (VAS), OptiTime energy logic, and brushless synchronous inverter drive: Degraded high-voltage electrolytic filter capacitors, dry solder joints on rectifier bridge, or AC line noise.
Discharge high-voltage capacitors safely with 1 kΩ resistor. Inspect PCB for bulging capacitors or burnt traces. Measure DC intermediate bus voltage (~310V–325V DC). Turn appliance off with the Main button. Press and hold Start/Pause and Spin Speed simultaneously for 5 seconds until 'Fn' code clears.
