Setting Water Hardness; Measuring Water Hardness - DeLonghi ESAM 5400 Instruction Manual

water softener filter (if present).
7. Pour the descaler diluted with water (respec-
ting the proportions indicated on the descaler
bottle) into the water tank. Always use desca-
ler recommended by De'Longhi (contact an
authorised service centre).
8. Place an empty container with a minimum
capacity of 1.5 litres under the cappuccino
maker (A15) (fig. 2).
Important! Danger of burns. Hot water
containing acid comes out of the hot water
spout. Avoid contact with splashes of water.
9. Press the
have added the solution and begin the desca-
ling procedure.
The descaling programme starts and the
descaler liquid comes out of the steam nozz-
le. The light flashes.
The descale programme automatically per-
forms a series of rinses and pauses to remo-
ve limescale deposits from inside the machi-
ne.
10. After about 30 minutes the water tank is
empty. The and OK lights come on and
the lights flash.
11. The appliance is now ready for rinsing
through with clean water.
Remove the water tank, empty, rinse under
running water, fill with clean water and repla-
ce.
12. Empty the container used to collect the desca-
ler solution and replace it under the cappucci-
no maker.
13. Press the button to start rinsing.
Hot water comes out of the spout.
The lights come on.
14. When the water tank is completely empty, the
and OK lights come on.
15. Press the button
was present), fill the water tank and the
appliance is ready for use.
button to confirm that you
, insert the filter (if it

SETTING WATER HARDNESS

The light 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 accor-
ding to the hardness of the mains water in the
various regions, varying the frequency with which
the light comes on.

Measuring water hardness

1. Remove the "TOTAL HARDNESS TEST" indica-
tor paper 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.
Level 1
Level 2
Level 3
Level 4
Setting water hardness
1. Press the P button to enter the menu;
2. Turn the selection knob until the
comes on;
3. Press the
button
4. Turn the knob to set the water hardness mea-
sured using the indicator strip (see previous
section).
LEVEL 1;
LEVEL 2;
LEVEL 3;
LEVEL 4;
5. Press the
(or the
tion).
The machine is now reprogrammed with the new
water hardness setting.
36
button to confirm (or the
to cancel the operation);
button to confirm the selection
button to cancel the opera-
light