What does F22 mean?

The NTC (temperature sensor) has a fault, either a short circuit, malfunction, or a break in the connecting wires. This will prevent the machine from heating water correctly.

• Short circuit in NTC sensor
• NTC sensor malfunction
• Break in connecting wires to NTC sensor

Click steps to track your progress.

1. 1

   Check the NTC sensor for damage or proper connection.

2. 2

   Inspect the wiring connected to the NTC sensor.

3. 3

   The program will likely complete without heating; service may be required.