11ENEnglish2 Remove all packaging material of the newNanoProtect filter (fig. e).3 Place the new NanoProtect filter into theappliance (fig. f).4 Touch and hold the reset button for3 seconds to reset the NanoProtect filterlifetime counter (fig. ƒ).Replacing the NanoCloudrotary humidification wickFilter alert light status Follow thisFilter replacementlight starts flashing(fig. †)Replace theNanoCloud rotaryhumidification wick1 Take the wick wheel off the wick support(fig. ~).2 Unfasten the locks on the edge of thewheel (fig. ˆ).3 Grip the snap-fit components on the otherside of the plate to release the wick fromthe wheel (fig. ‰).4 Take the used NanoCloud rotaryhumidification wick out (fig. Š).5 Remove all packaging material of the newNanoCloud rotary humidification wick(fig. ‹).6 Place the new NanoCloud rotaryhumidification wick in the wick wheel, andthen fasten the locks on the wick wheel(fig. Œ).7 Place the wick wheel on the wick support(fig. k).Note• When placing the wick wheel on the wicksupport, make sure that the projections onthe wick wheel falls into the correspondinggrooves.8 Place the water tray and water tank backinto the appliance.9 Touch and hold the reset buttonfor 3 seconds to reset the NanoCloudrotary humidification wick lifetime counter(fig. ƒ).Replacing the anti-bacteriacartridge (HU5931 only)Replace the anti-bacteria cartridge at least oncea year to prevent bacteria from growing in thewater tray.1 Pull and remove the old anti-bacteriacartridge from the water tray (fig. ).2 Remove all packaging materials of the newanti-bacteria cartridge (fig. ).3 Place the new anti-bacteria cartridge intothe groove in the water tray (fig. ).4 Place the water tracy and water tank backinto the appliance.