If your Krups coffee machine is no longer producing smooth, creamy milk foam, the cause is often a blocked steam nozzle, dried milk residue or incorrect milk preparation rather than a fault with the machine itself. Krups recommends cleaning the milk system immediately after every use to prevent milk deposits from restricting steam flow and air intake.

Milk residue can dry quickly inside the steam nozzle and automatic milk system. The Krups manuals recommend rinsing and cleaning the milk circuit immediately after preparing milk drinks. Regular cleaning helps maintain steam performance and consistent milk frothing.

If your Krups machine produces steam but little or no foam, inspect the small air intake holes around the steam nozzle. Even a small amount of dried milk can reduce the amount of air drawn into the milk, resulting in poor-quality foam. Some Krups models include a cleaning needle specifically for clearing these openings.

Krups recommends using fresh, cold milk taken directly from the refrigerator. UHT or pasteurised milk generally produces the best results, while milk that has been left at room temperature or repeatedly warmed may produce less stable foam.

If your Krups machine uses an automatic milk attachment, ensure every component has been correctly assembled after cleaning. Loose or incorrectly fitted parts can allow air to enter the system and affect milk preparation.

Many Krups bean-to-cup machines include dedicated milk system cleaning routines. Completing these programmes whenever prompted helps remove milk residue before blockages develop and keeps the milk circuit operating efficiently.

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