Delonghi ECAM23.450 milk froth problem solution

After some usage of Delonghi ECAM23.450 / ECAM23.460 milk froth can become very weak more similar to hot milk with some bubbles. The reason for this problem can be broken water/steam outlet. ECAM23.450 - part no 7313217291 COUPLING CARAFE ECAM23.460 - part no 7313230411 COUPLING CARAFE