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Coffee-machine maintenance illustration for Miele CM6 fault F1, F2, F80 or F82
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Help · Coffee machine

Miele CM6 fault F1, F2, F80 or F82

F1, F2, F80 or F82 on a Miele CM6 is an internal fault for which Miele specifies a cooling wait, not user dismantling.

Manufacturer sources consulted

F1, F2, F80 or F82 on a Miele CM6 is an internal fault for which Miele specifies a cooling wait, not user dismantling. 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. The control system has detected an internal temperature or operating condition outside its permitted range. Record the complete code before switching off; these four codes are not cleared by cleaning the tank, grinder or brew unit. Switch off with the machine control, unplug and leave it untouched for the full one-hour cooling period specified by Miele. Power on once. If any of the same codes returns, keep the unit off and give Miele the exact code and model number.

Models covered

Safety first

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

What the symptom may indicate

Exact meaningThe control system has detected an internal temperature or operating condition outside its permitted range.
What to distinguishRecord the complete code before switching off; these four codes are not cleared by cleaning the tank, grinder or brew unit.

Checks in the right order

  1. Confirm the pattern

    The control system has detected an internal temperature or operating condition outside its permitted range.

  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

    Switch off with the machine control, unplug and leave it untouched for the full one-hour cooling period specified by Miele.

  4. Retest once

    Power on once. If any of the same codes returns, keep the unit off and give Miele the exact code and model number.

Stop and get qualified help when

  • 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

Repair, replace a part, or arrange a diagnosis?

Use the checks and stop conditions above to choose a cautious next step. A symptom alone never proves that the appliance has failed.

Resolve it without buying anything

Complete the 4 user-accessible checks in order. If normal operation returns and no warning sign remains, no replacement is indicated.

Replace only the confirmed part

If the checks isolate a worn or blocked component, match its complete reference to the exact appliance model before ordering.

This guide does not identify a replacement part. Do not order a generic component from the symptom alone.

Arrange a diagnosis before replacing the appliance

Stop at any warning sign listed above. A qualified diagnosis should confirm that repair is unsafe, unavailable or uneconomical before an appliance replacement is considered.

Sources used

  • Miele — Miele's official material documents “Miele CM6 fault F1, F2, F80 or F82” and the user checks retained here.

Last checked: 30 August 2026