F08Warning
Bosch Dryer F08 Error Code
The water level sensor indicates abnormal water level in the condensation system (for condenser dryers).
Common causes
- Blocked drain pump or hose
- Faulty water level sensor
- Kinked drain hose
How to fix it
- Empty the water container (if applicable) and reinsert.
- Check drain hose for kinks or blockages.
- Run a maintenance cycle to clear pump.
⚠ When to call a pro: If error returns after cleaning, replace the water level sensor or pump; call a technician if unsure.
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.