The active charcoal filter must be replaced (without recirculation box).
If the vapor extraction system is being operated in Vented mode, reset only the operating hours counter.
If the vapor extraction system is being operated in Recirculation mode, replace the active charcoal filter:
Remove the cover grille.
Remove the grease filter.
Remove the active charcoal filter.
Reset the operating hours counter:
Press and hold the sensor control for 3 seconds.
The sensor control will go out.