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Milk froth quality varies

Milk froth quality varies widely — Milk type selection

Siemens · EQ900 TQ900 Coffee Machines

What does Milk froth quality varies mean?

The quality of milk froth produced is inconsistent, often due to the type of milk or plant-based alternative being used.

Common Causes

  • Milk froth quality depends on the type of milk or plant-based alternative used

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Optimise the result by selecting a different type of milk or vegetable-based drink.

  2. 2

    Experiment with different brands and fat content of milk to find the best frothing performance.

  3. 3

    Ensure the milk system is consistently clean to rule out blockages affecting froth quality.

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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