1710. The machine is now ready for rinsing through with cleanwater. Empty the container used to collect the descalersolution. Extract the water tank, empty, rinse under run-ning water, fill with fresh water up to the MAX level andput back in the machine;11. Place the container used to collect the descaler solutionempty under the coffee spouts and frother (fig. 27);12. Press the OK icon: ESC flashes to indicatethe steam/hot water dial must be turned to the Oposition;13. Turn the steam/hot water dial to the O position tostart rinsing. Hot water comes out of the coffee spouts;14. After a preset time, ESC flashes. Turn the dial to theI position. Delivery continues from the frother. When thewater in the tank has run out, the light (B3) comeson;15. The machine is now ready for a second rinse with cleanwater. Empty the container used to collect the rinse water.Extract the water tank, empty, rinse under running water,fill with fresh water up to the MAX level, replace the watersoftener filter (if previously removed) and put back in themachine;16. Place the container used to collect the rinsing water emptyunder the frother;17. Press the OK icon. The machine begins rinsingagain from the frother only;18. When the water in the tank has run out, the lightflashes;19. Empty the container used to collect the rinse water, re-move the water tank and fill with fresh water up to theMAX level, then put back in the machine. The ESCicon flashes;20. Turn the dial to the 0 position;21. Empty and replace the drip tray (A15) and grounds con-tainer (A11).Descaling is complete.Please note!• If the descaling cycle is not completed correctly (e.g. noelectricity) we recommend repeating the cycle;• After descaling, it is normal for the grounds container(A11) to contain water;• If the water tank has not been filled to the MAX level, atthe end of descaling, the machine requests a third rinse toguarantee that the descaler solution has been completelyeliminated from the machine's internal circuits.19. SETTING WATER HARDNESSThe light (B5) comes on after a period of time establishedaccording to water hardness.The machine is set by default for a hardness level of 4. The ma-chine can also be programmed according to the hardness of themains water in the various regions so that the machine needs tobe descaled less often.19.1 Measuring water hardness1. Remove the "TOTAL HARDNESS TEST" indicator paper (C1)from its pack (attached to the English instructions);2. Immerse the paper completely in a glass of water for onesecond;3. Remove the paper from the water and shake lightly. Afterabout a minute, 1, 2, 3, or 4 red squares form, dependingon the hardness of the water. Each square corresponds to 1level;Indicator paper WaterhardnessCorrespondingsettinglowmediumhighmaximum19.2 Setting water hardness1. With the machine off (standby), but the main switch (A6)pressed (fig. 1);2. Press and hold the icon (B9) until the icons on thetouch screen (B) come on;3. Press the icon (B8);4. Select the water hardness level by pressing the iconagain :5. Press the OK icon (B15) to confirm (or ESC(B14) to exit without making the change). The lights go off.The machine is now reprogrammed with the new water hard-ness setting.20. WATER SOFTENER FILTERCertain models are fitted with a water softener filter (C4). If thisis not the case with your model, you are recommended to pur-chase one from De’Longhi Customer Services.To use the filter correctly, follow the instructions below.