English 17
Filter replacement
Filter maintenance
When one of the filters is almost full and has to be cleaned or replaced, the corresponding light or lights (the
This air purifier is also equipped with the Healthy air protect lock to ensure that the filters are in optimal condition when the appliance is operating. When you do not replace filter 2 (AC4004 only), filter 3 and/or filter 4, the appliance stops operating and the appliance is locked. When the appliance is locked, the filter replacement light of the filter concerned and the ’REPLACE FILTER’ light light up continuously.
Filter cleaning light and filter replacement lights
The filter cleaning light and the filter replacement lights indicate which filter has to be cleaned or replaced.
-Filter cleaning light 1 flashes: you have to clean filter 1
-Filter replacement light 2 and the ‘REPLACE FILTER’ light flash: filter 2
-Filter replacement light 3/4 and the ‘REPLACE FILTER’ light flash: filter 3 (activated carbon filter) and filter 4 (HEPA filter) have to be replaced.
Note: Filter 3 (activated carbon filter) and filter 4 (HEPA filter) have a similar lifetime.Therefore they have to be replaced at the same time.
Filter replacement lock
If you do not replace a filter in time, the appliance stops operating approx. 2 weeks after the filter replacement light started flashing. When the appliance is locked, it does not operate until you have replaced the full filter and pressed the reset button.