Bosch DWK09M720 Gebrauchsanleitung Seite 31

Grease filter signal
After 40 hours of operation LED 1 flashes.
When such signal appears the grease filter
installed needs to be washed.
To reset the signal, keep T4 button pressed
for 5".
The hood gives out a "BEEP" and LED 1
stops flashing.
Charcoal filter signal
After 160 hours of operation LED 2 flashes.
When such signal appears the charcoal filter
installed must be replaced.
To reset the signal, keep T4 button pressed
for 5".
The hood gives out a "BEEP" and LED 2
stops flashing.
In case of contemporaneous signalling of
both filters, LEDs 1 and 2 flash alternatively.
To reset, carry out the procedure described
above for 2 times.
The first time it resets the charcoal filter
signal, the second time it resets the grease
filter signal.
The charcoal filter signal is not active in the
standard mode.
In case the hood is used in filter version it is
necessary to enable the charcoal filter
signal.
Activating charcoal filter signal:
Set the hood to OFF and press T4 button for
5".
Once the button has been pressed, the
LEDs related to the filter signals currently
active light up.
The hood gives out a "BEEP" and LED 2
flashes for 2".
LEDs 1 and 2 remain on for about 2" before
the hood goes back to OFF.
Deactivating charcoal filter signal:
Set the hood to OFF and press T4 button for
5".
Once the button has been pressed, the
LEDs related to the filter signals currently
active light up.
The hood gives out a "BEEP" and LED 2
switches off.
LED 1 remain on for about 2" before the
hood goes back to OFF.
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