fill the water tank again and the appliance is ready for use.
SETTING WATER HARDNESS
The DESCALE! message is displayed after a period of time established according to water hardness. The machine is factory set for a hardness value of 4. The machine can also be programmed according to the hardness of water in various regions so that the machine needs to be descaled less often.
Measuring water hardness
1.Remove the “TOTAL HARDNESS TEST” indicator paper attached to this manual from its pack.
2.Immerse the paper completely in a glass of water for one second.
3.Remove the paper from the water and shake lightly.
After about a minute, 1, 2, 3, or 4 red squares form, depending on the hardness of the water. Each square corresponds to one level.
soft water •
slightly hard water
••
hard water •••
very hard water
••••
Set water hardness
1.Press the P button to enter the menu.
2.Turn the selection knob to select “ Water hardness “.
3.Confirm the selection by pressing the 
button.
4.Turn the selection knob (fig. 7) and set the level shown by the indicator paper (see previous paragraph).
5.Press the 
button to confirm the setting.
6.Press the 
button to exit the menu.
The machine is now reprogrammed with the new water hardness setting.
WATER SOFTENER FILTER
Certain models are fitted with a water softener filter. If this is not the case with your model, 19
you are recommended to purchase one from De’Longhi Customer Services. To use the filter EN correctly, follow the instructions below.
Installing the filter
1.Remove the filter from the packaging.
2.Turn the date indicator disk (see fig. 29) until the next 2 months of use are displayed.
Please note
The filter lasts about two months if the appliance is used normally. If the coffee maker is left unused with the filter installed, it will last a maximum of three weeks.
3.Remove the tank from the appliance and fill with water.
4.Insert the filter in the water tank and immerse it completely for ten or so seconds, sloping it to enable the air bubbles to escape (fig. 30).
5.Insert the filter in the filter housing (fig. 31A) and press as far as it will go.
6.Close the tank with the lid (fig. 31B), then replace the tank in the machine.
When you install the filter, you must notify the appliance of its presence.
7.Press the P button to enter the menu;
8.Turn the selection knob (fig. 7) until “Install filter” is displayed;
9.Press the 
button;
10.The message “Activate?” is displayed.
11.Press the 
button to confirm the selection. “ Hot water Confirm?” is displayed.
12.Position a container with a minimum capacity of 3.4 oz / 100 ml under the hot water spout.
13.Press the 
button to confirm the selection. The appliance begins delivering hot water and the message “ Please wait... “ is displayed.
14.After delivery, the appliance returns automatically to the “Ready for coffee”
position.
The new filter is active and indicated by an asterisk displayed under “Install filter” in the menu. You can now use the coffee maker.
Replacing the filter
When “REPLACE FILTER!” is displayed, after two months (see date indicator) or when the appliance has not been used for 3 weeks, you should replace the filter:
1. Remove the exhausted filter;
