The grease filter must be cleaned.
Clean the grease filter.
After cleaning, press the grease filter control Filter for approx. 3 seconds with the fan switched on until only 1 is flashing.
The grease filter symbol Filter goes out.

The grease filter symbol Filter lights up on the cooker hood.
Clean the grease filter.
After cleaning, press the grease filter control Filter for approx. 3 seconds with the fan switched on until only 1 is flashing.
The grease filter symbol Filter goes out.