V-ZUG 74A Instructions Manual Download Page 19

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ling less frequent by programming the machine on the basis of
the real lime content in the water used.
Proceed as follows:
• Remove the “Total Hardness Test” strip (attached to page 2)

from its packaging then dip it fully in the water for a few
seconds.

Remove and wait about 30 seconds (until it changes colour
and forms red squares).

• Turn the appliance on by pressing the ON/OFF/standby but-

ton (A7).

• Press the P / ESC button (B7) to enter the menu and then the

▽

and

△

buttons (B5 and B6) until “WATER HARDNESS” is

displayed.

• Press the OK button (B4);
• Press the

▽

and

△

buttons (B5 and B6) until the number

coincides with the number of red squares on the test strip
(for example, if there are 3 red squares on the test strip, se-
lect the message “WATER HARDNESS

lll

” .

• Press the OK button (B4) to confirm.

The coffee machine is now programmed to provide the de-
scale warning when actually necessary.

Adjusting contrast

To increase or reduce the contrast of the display, proceed as fol-
lows:
• Press the P/ESC icon (B7) to enter the menu and then the

▽

and

△

(B5 e B6) icons (B5 and B6) until “CONTRAST”

is displayed.

• Press the OK icon (B4).
• Press the

▽

and

△

(B5 e B6) icons (B5 and B6) until the

required level of contrast is displayed: (

= low;

lll✍

= high)

• Press the OK icon (B4) to confirm.
• Press the P/ESC icon (B7) once to exit the function or twice

to exit the menu.

Statistics function

This displays statistics relating to the machine.
To display, proceed as follows:
1. Press the P / ESC button (B7) to enter the settings menu.
2. Press the

▽

and

△

buttons (B5 and B6) until “STATISTICS”

is displayed;

3. Press the OK button (B4);
4. By pressing the

▽

and

△

buttons (B5 and B6), you can

check:

-  how many coffees have been made;
-   how many milk drinks have been made;
-   the total number of litres of water delivered.
-   how many times the machine has been descaled.
5.  Press the P/ ESC button (B7) twice to exit the menu.

Default values (reset)

This resets all menu settings and programmed quantities back
to the default values (with the exception of the language which
remains as set).
To reset the default values, proceed as follows:
1. Press the P /ESC button (B7) to enter the menu;
2. Press the

▽

and

△

buttons (B5 and B6) until “DEFAULT

VALUES” is displayed;

3.   Press the OK button (B4);
4.   “CONFIRM?” is displayed;
5.   Press the OK button (B4) to confirm and exit.

Descaling

Descale the machine when the message “DESCALE” flashes on
the display.

Important!

Descaler contains acids which may irritate the skin and eyes.
It is vital to respect the manufacturer’s safety warnings given on
the descaler pack and the warnings relating to the procedure to
follow in the event of contact with the skin and eyes.

Please note:

Use lactic acid bacteria based descaler, for example De’Longhi
SKU: 5513214981.
Under no circumstances should you use sulphamic or acetic ba-
sed descalers. Their use invalidates the guarantee.
Failure to descale the appliance as described above also invali-
dates the guarantee.
1. Turn the machine on.
2. Enter the settings menu by pressing the P / ESC button (B7).

Press the

▽

and

△

buttons (B5 and B6) until “DESCALE” is

displayed;

3. Press the OK button (B4) and “CONFIRM?” is displayed,

press the OK button (B4) and pour the descaler.

4. Before confirming, empty the water tank completely

(A12).

Pour the descaler diluted with water (respecting the pro-
portions indicated on the descaler pack) into the water tank
and put the water tank back in the appliance.

Danger of burns!

Hot water containing acid flows out of the hot water spout.
Avoid contact with splashes of water.

5. Place an empty container with a minimum capacity of 1.5

litres under the hot water spout.

6. Confirm with the OK button (B4).
7. After confirming by pressing OK, the message “DESCALING