ProductDinamica ECAM35X.55 - ECAM35X.75Message: Set dial to CLEAN, ESC to cancel
Dinamica ECAM35X.55 - ECAM35X.75

Message: Set dial to CLEAN, ESC to cancel

Try this solution

Turn the froth adjustment dial to CLEAN

Possible cause:
Milk has been delivered recently and the tubes inside the milk container must be cleaned.