brewed more than 50 cups (with 100 ml capacity), you need to descale themachine before you activate the filter.Note: Replace the AquaClean filter when the filter icon starts flashing on thedisplay. Replace the AquaClean filter at least every 3 months, even if themachine has not yet indicated that replacement is required.Preparing and installing the AquaClean filter1 Remove the AquaClean filter from its packaging. Shake the filter for about5 seconds.2 Immerse the AquaClean filter upside down in a jug with cold water andwait until no more air bubbles come out.3 Insert the AquaClean filter vertically onto the filter connection. Push theAquaClean filter to the lowest possible point. Make sure that the filter fitstightly and the seal is in the right position, to guarantee the bestperformance.Activating the AquaClean filterYou can install the AquaClean filter at first installation as part of theinstallation procedure. If you skipped installation of the AquaClean filter atfirst use, you can install it by entering the menu as described below.1 Press the MENU button, select MENU and press the OK button toconfirm. Scroll to 'AquaClean' filter. Press the OK button to confirm.2 Select ON on the display, press the OK button to confirm.0 / 8OFFON13English