Set your digital multimeter to the Ohms ( Ωcap omega
If the sensor and fuses pass inspection, test the actual thermoblock element. krups error code 09
or the thermal circuit. This code alerts the user that the machine is unable to reach or monitor the correct brewing temperature, preventing safe operation. 1. Identify the Root Cause The primary reasons for this error include: Faulty NTC Sensor Set your digital multimeter to the Ohms (
Inside the machine, a small magnetic sensor tells the computer where the piston is. If this sensor fails, the computer never gets the "I am home" signal, triggering Error 09. A functioning NTC sensor should have a specific
A functioning NTC sensor should have a specific resistance reading that changes with heat (usually around 10-100k ohms at room temperature). If the reading is zero or infinite, the sensor is broken and must be replaced. Frequently Asked Questions