Miele DA 6996 W Operating And Installation Instructions page 25

 Press the On/Off control  to switch
the fan on.
 Press and hold the operating hours
control 
– Once, to read the Grease filter
operating hours. The grease filter
symbol  lights up.
– Twice, to read the Charcoal filter
operating hours. The Charcoal filter
symbol  lights up.
One or more of the power level
indicators will flash.
The number of fan power level
indicators flashing shows the
percentage of the operating time which
has already been used up.
1 .................................................. 25 %
1 and 2 ........................................ 50 %
1 to 3 ........................................... 75 %
1 to B ......................................... 100 %
The number of operating hours used
remains in the memory, even when the
appliance is switched off or there is a
power cut.
Operation (Automatic and Manual modes)
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