Setting Water Hardness; Measuring Water Hardness; Water Softener Filter (If Present); Installing The Filter - DeLonghi ECAM23.21 Series Manual

• You should use De'Longhi descaler only. Using unsuitable
descaler and/or performing descaling incorrectly may re-
sult in faults not covered by the manufacturer's guarantee.
1. Turn the appliance on and wait until it is ready for use.
2. Press the P button, turn the selection dial until you see
the light, then press the
Press the button again to confirm.
3. Empty the water tank (A9) and remove the water softener
filter (if present).
4. Pour the descaler into the water tank up to the level A (cor-
responding to a 100 ml pack) marked on the back of the
tank (fig. 29A), then add water (1 litre) up to level B (fig.
29B).
Place an empty container with a minimum capacity of 1.8
litres under the cappuccino maker (A19) (fig. 3).
5. Press the *** button to confirm addition of the solu-
tion. The light flashes telling you to turn the steam
dial.
Important! Danger of burns
Hot water containing acid flows from the cappuccino maker.
Take care to avoid contact with splashes of water.
6. Turn the steam dial a half turn anticlockwise to the I po-
sition. The descaler solution flows out of the cappuccino
maker into the underlying container.
The descaling programme automatically performs a series
of rinses and pauses to remove all the scale. It is normal for
several minutes of inactivity to elapse between rinses.
After about 30 minutes, the water tank is empty. The OK and
lights come on and the
The appliance is now ready for rinsing through with clean water.
7. Empty the container used to collect the descaler solution
and replace it empty under the cappuccino maker.
8. Remove the water tank, empty, rinse under running water
then fill with clean water, insert the filter (if removed pre-
viously) and put the tank back in the appliance. The
light goes off..
9. Turn the steam dial anticlockwise to the I position. Hot
water comes out of the spout.
10. When the water tank is completely empty, the
OK lights come on.
11. Turn the dial to the 0 position. The
off.
Fill the water tank again and the machine is ready for use.
Please note!
If the descaling cycle is not completed correctly (e.g. lack of elec-
tricity) we recommend repeating the cycle.
button. The OK light flashes.
light flashes.
and
light goes

SETTING WATER HARDNESS

The light is displayed after a period of time established
according to the water hardness set.

Measuring water hardness

1. Remove the "TOTAL HARDNESS TEST" indicator paper from
its pack (attached to the instructions in English).
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.
Setting water hardness
1. Press the P button to enter the menu.
2. Turn the selector dial until the
3. Confirm the selection by pressing the
4. Turn the selection dial and set the level shown by the indi-
cator paper (see previous paragraph).
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
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 hard-
ness setting.

WATER SOFTENER FILTER (IF PRESENT)

Certain models are fitted with a water softener filter. If this is not
the case with your model, you are recommended to purchase
one from De'Longhi Customer Services. To use the filter correctly,
follow the instructions below.

Installing the filter

1. Remove the filter from the packaging.
2. Turn the date indicator disk until the next two months of
use are displayed (fig 30).
16
LEVEL 1
LEVEL 2
LEVEL 3
LEVEL 4
light is selected.
button.