AquaClean filters as indicated by the machine and in this user manual, you don't have to descale yourmachine for up to 5000 cups. With each filter you can enjoy up to 625 cups, depending on theselected coffee varieties and the rinsing and cleaning frequencies.Preparing the AquaClean filter for activationBefore you place the AquaClean filter in the water tank, you need to prepare it for use:1 Shake the filter for about 5 seconds (Fig. 1).2 Fully immerse the filter upside down in a jug with cold water for at least 30 seconds. Wait until nomore air bubbles come out (Fig. 2).3 Push the filter onto the filter connection to the lowest possible point. (Fig. 3)Activating the AquaClean filterYou need to activate every new AquaClean filter that you use. By activating the AquaClean filter, themachine monitors the capacity of the AquaClean filter and the number of filters used. There are 3ways to activate the AquaClean filter.1. Activating the AquaClean filter during first installationAfter switching on for the first time, the machine guides you through the first installation steps such asfilling the water tank, filling the water circuit and activating the AquaClean filter. Simply follow theinstructions on the screen.2. Activating the AquaClean filter when promptedReplace the AquaClean filter when the screen shows the message 'Replace AquaClean filter?'. Thenfollow the instructions on the screen to activate the filter properly.Replace the AquaClean filter at least every 3 months, even if the machine has not yet indicated thatreplacement is required.3. Activating the AquaClean filter at any other timeYou can start using the AquaClean filter at any time by following the instructions below.1 Tap the Settings icon and then select 'AquaClean' (Fig. 4).2 Select 'new' and when the activation screen appears, press the start/stop button.3 Follow the instructions on the screen.Note: In some situations the machine will tell you that you need to descale the machine before youcan install and activate a new AquaClean filter. This is because your machine has to be completelylimescale-free before you start to use the AquaClean filter. Follow the instructions on the screen.Measuring water hardnessDuring first installation, you have to set the water hardness. Follow the steps on the screen and usethe water hardness test strip supplied. To set the water hardness later, tap the Settings icon andselect 'water hardness'.1 Immerse the water hardness test strip in tap water for 1 second. Then wait for 1 minute.2 Check how many squares have turned red.3 Select the appropriate water hardness setting and tap the OK icon to confirm.Number of red squares:Value to be set 1 2 3 49EnglishEnglish