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.
Circulation pump blocked
Models: WCI 330, WCI 660, WCD 120, WCD 130, WCD 140, WDB 020, WDB 030
Circulation pump blocked
Models: WCS 020, WCS 030, WCA 020, WCA 030, WCA 040, WCB 100, WCB 110
Circulation pump blocked
Models: WWH 660, WWH 860, WCR 860, WCR 870, WCR 890, WWR 860, WWR 880
Circulation pump blocked
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.