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Check the two thin wires leading to the temperature sensor on the boiler. If a wire is loose, it may need to be re-soldered to the connection point to restore the signal. When to Call a Professional

If none of the above works, contact Krups customer support with your model number and “Error Code 09” ready. They can confirm if a recall or known defect applies.

: The Negative Temperature Coefficient (NTC) sensor, which monitors the thermoblock's heat, may have short-circuited or failed (standard parameter is often 100kΩ at 5% Loose or Oxidized Connections

Sometimes the computer simply loses its place. You must perform a complete power cycle, not just hitting the power button.

Sometimes electronic memory causes "ghost" errors that a simple reboot will clear. from the wall outlet completely.

Here is how to resolve it and get back to your morning brew. Why is Error 09 Happening?

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