Miele DA 249 Operating manual - Page 14

Operation Filter timers Grease filter A timer monitors the hours of fan operation. The indicator for the grease filter will light after 30 hours of operation. The grease filter must then be cleaned. After the grease filter have been cleaned and put in place, the grease filter timer must be reset. Checking the filter timers To check the percentage of time already used: ^ Press the On/Off button to turn the fan on. ^ To do this, press the grease filter button for about 3 seconds. The indicator will go out. Charcoal filters Recirculation mode The timer for the charcoal filter is not preset. Please program this timer, see "Operation/Reprogramming the charcoal filter timer". The charcoal filter indicator will light once the selected time has elapsed. The charcoal filters must then be replaced and the charcoal filter timer must be reset. ^ Press the grease or charcoal filter button. The number of flashing "-/+" indicators show the percentage of programmed hours that have been used. 1 indicator = less than 25 % 2 indicators = less than 50 % 3 indicators = less than 75 % 4 indicators = less than 100 % This information will remain stored in memory in the event of a power failure. ^ To do this, press the charcoal filter button for about 3 seconds. The indicator will go out. 14