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No milk intake

No milk intake by the milk system — Milk system assembly or supply problem

Siemens · EQ900 TQ900 Coffee Machines

What does No milk intake mean?

The milk system is not drawing in milk, preventing the creation of milk-based beverages. This can be caused by incorrect assembly, low milk levels, or a mispositioned milk tube.

Common Causes

  • The milk system is assembled incorrectly
  • Incorrect order for connecting the milk container and milk system
  • Milk tube not immersed in milk or insufficient milk

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Assemble the milk system correctly, ensuring all components are aligned and securely fitted.

  2. 2

    First insert the milk system into the outlet, then attach the milk container.

  3. 3

    Ensure the milk tube is fully immersed in the milk and that there is enough milk in the container.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

Appliance unresponsiveAppliance no longer responds — Appliance has a faultBrewing unit jammedBrewing unit cannot be removed — Locking device jammedCoffee grounds wet/not compactCoffee grounds are not compact and are too wet — Grinding or bean issue
Source: Siemens EQ900 TQ900 Coffee Machines
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