Setting Water Hardness; Measuring Water Hardness; Set Water Hardness - DeLonghi ECAM 23.420 Instructions Manual

Please note:
Use De'Longhi descaler only.
Under no circumstances should you use sulpha-
mic or acetic based descalers. Their use invalida-
tes the guarantee.
Failure to descale the appliance as described also
invalidates the guarantee.
1. Turn the machine on.
2. Press the P button to enter the menu.
3. Turn the selection knob until "Descaling" is
displayed.
4. Select by pressing the
LING CONFIRM?" is displayed. Press
again to activate the function.
5. The message "INSERT DESCALER CON-
FIRM?" is displayed.
6. Completely empty the water tank (A9) and
remove the water softener filter (if present).
7. Pour the descaler into the tank up to the level
A (corresponding to a 100 ml pack) marked
on the back of the tank (fig. 29A), then add
water up to level B (fig. 29B).
8. Place an empty container with a minimum
capacity of 1.5 litres under the cappuccino
maker (A19) (fig. 4).
Important! Danger of burns
Hot water containing acid flows from the cap-
puccino maker.
Avoid contact with splashes of water.
9. Press the button to confirm introduc-
tion of the solution. "Turn steam knob" is
displayed.
10. Turn the steam knob to the I position (fig.
4). The descaling programme starts and the
descaler liquid comes out of the cappuccino
maker. The descale programme automatical-
ly performs a series of rinses and pauses to
remove limescale deposits from inside the
machine.
After about 30 minutes, the message "FILL
TANK!" is displayed. The appliance is now ready
for rinsing through with clean water.
11. Empty the container used to collect the de-
scaler solution and replace it empty under
the cappuccino maker.
12. Remove the water tank, empty, rinse under
running water, fill with clean water and repla-
13. Hot water comes out of the cappuccino ma-
14. When the water tank is completely empty,
15. Turn the knob to the 0 position, insert the fil-

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
button: "DESCA-
of 4. The machine can also be programmed ac-
cording to the hardness of the mains water in the
various regions so that the machine needs to be
descaled less often.

measuring water hardness

1. Remove the "TOTAL HARDNESS TEST" indi-
2. Immerse the paper completely in a glass of
3. Remove the paper from the water and shake

set water hardness

1. Press the P button to enter the menu.
2. Turn the selection knob to select "WATER
3. Confirm the selection by pressing the
4. Turn the selection knob and set the level
5. Press the
6. Press the
17
ce. "Rinsing" is displayed.
ker.
"TURN STEAM KNOB" is displayed.
ter in the tank (if present), fill the water tank
again and the appliance is ready for use.
cator paper attached to this manual from its
pack.
water for one second.
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.
Level 1
Level 2
Level 3
Level 4
HARDNESS".
button.
shown by the indicator paper (see previous
paragraph).
button to confirm the setting.
button to exit the menu.