Coffee Or Espresso Too Cold; Milk Froth Unsatisfactory Or Sputtering; No Or Very Little Coffee Flowing From Spout; Coffee Tastes Too Bitter - Miele CM6 Technical Information

Technical Information
3.20

Coffee or Espresso Too Cold

Cause:
Machine settings.
Remedy:
Note:
Measure the temperature half an inch (1 centimeter) below the dispenser,
not in the cup. The temperature should be 187°F (± 3°F).
1. Pre-warm cups.
2. Set the temperature for coffee and espresso to maximum; see Section 001-4.1.
3. Set the grinding setting at least one level lower (finer).
4. Increase the grind (ground coffee) amount; see Section 001-4.1.
5. Activate pre-brewing; see Section 001-4.1.
Note:
Additional increase in brewing temperature will burn the coffee and ruin its taste.
3.21

Milk Froth Unsatisfactory or Sputtering

Cause:
The milk pipework has not been cleaned sufficiently by the customer.
Remedy:
Advise the customer about the correct cleaning of the pipework in accordance with the
operating instructions.
Cause:
Milk too warm.
Remedy:
Milk temperature should be lower than 13°C (55°F).
3.22

No or Very Little Coffee Flowing from Spout

Symptom:
If the pump is operated in service mode, it operates normally and pumps water.
Cause:
Pump not generating enough pressure for the brew unit.
Remedy:
Replace the pump; see Section 001-4.15.
3.23

Coffee Tastes Too Bitter

Symptom:
The prepared coffee tastes too bitter or strong. After only a few servings of coffee have
been prepared, there is a considerable quantity of wasted ground coffee next to the
brew unit.
Cause:
The appliance has been set with extreme settings. The ground quantity compensation
is at maximum.
30
CM6