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.
Brew unit fault
Models: CVA 6401, CVA 6405, CVA 6431
Brew unit fault
Models: CVA 6800, CVA 6805
Brew unit drive is faulty
Models: CVA 7370, CVA 7440, CVA 7445, CVA 7000
Brew unit drive is faulty
Models: CVA 7775, CVA 7840, CVA 7845, CVA 7875, CVA 7960, CVA 7965, CVA 7970, CVA 7975
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.