Philips AC1213 User manual - Page 20

Problem Possible solution The airflow that comes out of the air outlet is significantly weaker than before. • The pre-filter is dirty. Clean the pre-filter (see chapter "Cleaning"). • The air quality does not improve, even though the air purifier has been operating for a long time. • One of the filters has not been placed in the air purifier or the filter is not placed properly. Make sure that all filters are properly installed in the following order, starting with the innermost filter: 1) NanoProtect True HEPA filter (FY1410); 2) NanoProtect Active Carbon filter (FY1413) 3) pre-filter. The air quality sensor is wet. Make sure that the air quality sensor is clean and dry (see chapter "Cleaning"). The color of the air quality light always • stays the same. The air quality sensor is dirty. Clean the air quality sensor (see chapter "Cleaning"). The air purifier produces a unpleasant smell. • The first few times you use the air purifier, it may produce a plastic smell. This is normal. The air purifier may also produce an unpleasant smell when the filter is dirty. In this case, clean or replace the appropriate filter. • If the air purifier produces a burnt odor, switch OFF and unplug from the electrical outlet. Call 1-866-309-8817 for assistance. The air purifier is loud. • If the air purifier is too loud, change the fan speed to a lower fan speed level. When using the air purifier in a bedroom at night, choose the night sensing mode or select a lower fan speed level. The air purifier still indicates that I • need to replace a filter, but I already did. Perhaps you did not reset the filter lifetime counter. Plug in the air purifier, touch to switch on the air purifier, and touch and hold the for 3 seconds. Error codes "E1", "E2", "E3" or "E4" displays on the screen. • The air purifier has malfunctions. Visit www.philips.com/ support or call 1-866-309-8817 for assistance. 18 EN