Krups Error — Code 09

krups coffee machine original parts filter F088 - AliExpress 6

This is the most basic step but is recommended by many manufacturer manuals.

The thermistor is the temperature sensor. If it fails (sends a wildly incorrect resistance reading), the control board thinks the machine is overheating even when it’s cold.

If the machine is trying to heat up but there is no water reaching the heater, it may throw an error. Ensure your water tank is full. krups error code 09

If the error persists, the issue is almost certainly hardware-related.

Use a small cleaning brush or a fine pin to carefully poke through the coffee outlets to dislodge packed grounds.

: Remove the old cartridge and install a fresh Krups F088 filter . Ensure you screw it into the base of the water tank using the provided tool. krups coffee machine original parts filter F088 -

Look for the two wires leading to the small NTC sensor screwed into the metal block. Ensure the connectors are tightly pushed onto the pins.

: 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

Gently pull the outer side panels upward and outward to expose the inner layout. Step 2: Test the NTC Temperature Sensor If the machine is trying to heat up

Turn off the machine using the power button. Unplug it completely from the wall outlet. Wait 5 to 10 minutes to allow the internal capacitors to drain fully. Plug it back in directly to the wall (avoid extension cords) and power it on. Step 2: The Deep Descaling Cycle

Ensure the sensor is firmly attached to the thermoblock plate. If it has detached, it needs to be securely reattached.

The error may be caused by: