Stop the sputtering and restore perfect micro-foam with this deep cleaning guide.
Dried milk proteins and fats create a stubborn biofilm that blocks the air intake valve.
A tiny aperture creates a vacuum to aerate milk; even slight residue ruins the pressure.
The Quick Clean cycle fails to reach temperatures high enough to emulsify hardened butterfat deposits.
Soak the system in food-grade descaler and use a non-metal tool to clear the port.
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