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Miele CM6 says Too much ground coffee

The CM6 Too much ground coffee message appears when the chute receives more than the permitted spoonful, preventing the brew unit closing correctly.

Manufacturer sources consulted

Models covered

Treat the display or symptom as a clue, not as proof that a pump, grinder or board must be replaced. Change one user-accessible condition at a time and let every shutdown finish.

Before checking Miele Coffee machine

  • Keep water out of the bean hopper, grinder and electrical openings. Never reach inside a running grinder or force a hot, pressurised component.

What this symptom can mean on Miele Coffee machine

Exact meaningA heaped spoon, multiple spoonfuls or powder already left in the chute overloads the pre-ground chamber.
What to distinguishThis message follows use of the ground-coffee chute; it does not mean the bean grinder has produced too much coffee.

4 checks for Miele Coffee machine, starting with Confirm the pattern

  1. Confirm the pattern

    A heaped spoon, multiple spoonfuls or powder already left in the chute overloads the pre-ground chamber.

  2. Prepare safely

    Finish the automatic shutdown, unplug the machine and let hot surfaces cool. Remove only the tank, tray, brew group or cleaning accessory named by the manufacturer.

  3. Apply the official check

    Let the machine discard the excess, empty the grounds container, then add one level scoop only to the clean, dry chute and select ground coffee once.

  4. Retest once

    Prepare one cup. If the message returns with one level scoop and a clear chute, stop adding powder and ask Miele to inspect the brew path.

When to stop checking Miele Coffee machine

  • Stop for a harsh grinder noise, repeated electrical error, uncontrolled leak, burning smell or a symptom that returns after the one official retest.

Next step

Choose the next step for Miele Coffee machine

For “Miele CM6 says Too much ground coffee”, base the decision on the documented sequence beginning with “Confirm the pattern”, not on the warning or symptom alone.

Start with Confirm the pattern

Work through all 4 checks for Miele Coffee machine. If normal operation returns and no warning sign remains, the diagnosis ends without ordering a part.

Stop the Miele Coffee machine check at a warning sign

Use the stop conditions above for “Miele CM6 says Too much ground coffee”. A qualified diagnosis should come before replacing the appliance whenever repair safety or feasibility is uncertain.

Sources used

  • Miele — Miele's official material documents “Miele CM6 says Too much ground coffee” and the user checks retained here.

Last checked: 30 August 2026