EN
“Shower Ready” visualization
• For models equipped with user interface type shown in figure 10:
The product has a smart function to minimize the water heating timing.
Apart from the temperature set out from the user, the icon “shower ready” will light up when there will be
enough water to have a shower (40 liters of hot water mixed at 40°C).
When there will be enough hot water for the following shower, a second icon “shower ready” will light up and
so on (the maximum number of showers depend on the capacity of the purchased model).
FAST Function
• For models equipped with user interface type shown in figure 9 and 11:
The product operates normally at base power. In “FAST” mode the appliance operates at maximum power to
speed up the water heating. Activate the function by pressing the “FAST” (ref.
B
) button, which will light up. De-
activate by pressing the same button again which will turn off.
QUICK HEATING Function
• For models equipped with a user interface type shown in figure 10:
The product operates normally at base power. In QUICK HEATING mode the appliance dedicates the maximum
power to only one portion of water, thus ensuring the minimum waiting time for the first shower (40 litres at 40
°C). Activate the QUICK HEATING function by pressing the “QUICK” (Ref.
B
) button, which will light up. Deactivate
by pressing the same button again which will turn off.
Notes: In the QUICK HEATING operating mode the temperature displayed by the product may differ significantly from
the temperature perceived by the user on first withdrawal.
Reset/Diagnostics
• For models equipped with user interface type shown in figure 9 and 11:
When one of the malfunctions described above occurs, the appliance will enter its “fault status” and all LEDs on
the control panel will flash simultaneously.
Diagnostics
: to enable the diagnostic function, hold the ON/OFF (ref. A) and “-” buttons for 3 seconds. The type
of fault is indicated by five LEDs (Ref.
1-5
) according to the following scheme:
LED. Ref.
1
- internal malfunction of the circuit board
LED Ref.
1
and
3
- internal malfunction of the circuit board (NFC communication or NFC data)
LED Ref.
3
- broken temperature probes (open or short circuited) - boiler outlet
LED Ref.
5
- excessive water temperature detected by single sensor - boiler outlet
LED Ref.
4
and
5
- general excessive water temperature (circuit board fault) - boiler outlet
LED Ref.
3
and
4
- Failure to heat water with powered heating element - boiler outlet
LED Ref.
3
,
4
and
5
- overheating caused by lack of water - boiler outlet
LED Ref.
2
and
3
- broken temperature probes (open or short circuited) - boiler inlet
LED Ref.
2
and
5
- excessive water temperature detected by single sensor - boiler inlet
LED Ref.
2
,
4
and
5
- general excessive water temperature (circuit board fault) - boiler inlet
LED Ref.
2
,
3
and
4
- failure to heat water with powered heating element - boiler inlet
LED Ref.
2
,
3
,
4
and
5
- overheating caused by lack of water - boiler inlet
Exit the diagnostic function by pressing the ON/OFF button (Ref. A) or wait for 25 seconds.
• For models equipped with a user interface type shown in figure 10:
When any of the operation problems occur, the appliance goes into “fault status” and the corresponding error
code flashes on the display (for example, E01). The error codes are the following:
E01 - internal error of the board
E04 - impressed current anode malfunction (corrosion protection is not guaranteed)
E09 - excessive number of resets in fifteen minutes
E10 - broken temperature probes (open or short circuited) - boiler outlet
E11 - excessive water temperature detected by single sensor - boiler outlet
E12 - general excessive water temperature (circuit board fault) - boiler outlet
E14 - Failure to heat water with powered heating element - boiler outlet
E15 - overheating caused by lack of water - boiler outlet
E20 - broken temperature probes (open or short circuited) - boiler inlet
E21 - excessive water temperature detected by single sensor - boiler inlet
E22 - general excessive water temperature (circuit board fault) - boiler inlet
E24 - failure to heat water with powered heating element - boiler inlet
E25 - overheating caused by lack of water - boiler inlet
E61 - internal malfunction of the circuit board (NFC communication)
E62 - internal malfunction of the circuit board (NFC data damaged)
E70 - Limescale detected - Limited mode on
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