ProductDinamica ECAM35020At the end of descaling, the appliance requests a third rinse
Dinamica ECAM35020

At the end of descaling, the appliance requests a third rinse

Try this solution

Empty the drip tray

Possible cause:
During the two rinse cycles, the water tank has not been filled to the MAX level.

Empty the drip tray to avoid water overflowing. Then follow the instructions displayed by the appliance.