A technician will use a multimeter to check the ohms on the NTC sensor. A reading of zero or infinity confirms the sensor is dead.
Before calling a technician, you can attempt several DIY fixes to clear the error. 1. The Hard Reset krups error code 09
The most common culprit is a damaged or short-circuited temperature sensor. A technician will use a multimeter to check
Unplug the machine from the power outlet for at least 10 minutes. This allows the internal capacitors to discharge and the sensors to reset. Sometimes, a simple software glitch triggers the code, and a cold reboot clears it. 2. Inspect for Scale krups error code 09