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.
Coffee/hot-water heater (R1-2) inoperative
Models: CVA 6401, CVA 6405, CVA 6431
Coffee/hot-water heater (R1-2) inoperative
Models: CVA 6800, CVA 6805
Through-flow heater (R1) not heating
Models: CVA 7370, CVA 7440, CVA 7445, CVA 7000
Through-flow heater (R1) not heating
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.