F15 (Bosch WFP) — Heating system malfunction

What does F15 (Bosch WFP) mean?

The heating system is malfunctioning, resulting in washing with cold water (below 10 °C) or potentially overheating (above 100 °C).

• Faulty heating element
• Thermostat or temperature sensor issue
• Problem with heating control circuit

Click steps to track your progress.

1. 1

   Check the heating element and its connections.

2. 2

   Inspect the temperature sensor (NTC) and thermostat.

3. 3

   The machine may wash at incorrect temperatures; professional service is recommended.