Siemens LC958BA90 Operating And Installation Instructions page 36

Operation
Intermittent
Saturation displays
Grease filters
36
Intermittent ventilation can be used to ventilate the kitchen
hourly for the preset time.
1. Press the u button. The "Intermittent" area is selected
automatically.
2. Select a fan setting (except fan setting 4).
Intermittent ventilation starts automatically. The display
switches back to idle state after the set time has elapsed.
The saturation of the grease filters can be queried via the
Information button. To do this, the extractor hood must be
switched on.
Press thetbutton.
If the t button is lit and a signal sounds when the extractor
hood has been switched off, the grease filters are 100%
saturated.
1. Clean the grease filters or replace the activated carbon
filter.
2. Set the indicator to "yes".
3. Acknowledge the input by pressing the t button.