What the control board is reporting, and which models and series this code applies to. Diagnosis on Miele appliances uses factory service software and procedures.
No drum lock (door lock)
Models: WCI 330, WCI 660, WCD 120, WCD 130, WCD 140, WDB 020, WDB 030
Door locking not possible
Models: WCS 020, WCS 030, WCA 020, WCA 030, WCA 040, WCB 100, WCB 110
No drum lock (door lock)
Models: WWH 660, WWH 860, WCR 860, WCR 870, WCR 890, WWR 860, WWR 880
No drum lock (door lock)
Models: WXR 960, WCS 990
A fault code identifies what the control detected, not which part failed. A sensor error can be the sensor, the harness, the connector, or the board reading it. ServiceON is a factory-authorized Miele service provider.