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INS
TALLER
US
ER
MAINTEN
AN
CE TECHNI
CI
AN
3.3 SERVICE MENU.
“Service Menu” activation
It is possible to access the “SERVICE MENU”
in order to edit the operating parameters of the
appliance.
- With the water heater on, press the reset button
( )
(Fig. 23)
for approximately 10 seconds. The
symbols on the display will start flashing and
first ( ) will be displayed, followed by ( );
- release the reset button;
- enter the code ( ) by turning the knob and
confirm by pressing reset.
If the code is wrong, or if the time envisaged
for the operation should drop, the appliance
automatically goes back to the standby or op-
eration status.
Upon accessing the “SERVICE MENU”, it is
possible to select the sub-menu concerned by
turning the knob:
• ( ) Parameters menu.
• ( ) Calibration menu.
• ( ) Alarms log menu.
• ( ) Info menu.
Once you have found the sub-menu you are
looking for, confirm by pressing reset ( ).
Attention:
to exit from the “SERVICE MENU”,
press the reset button until the wording MENU
flashes, then release the button: the display goes
to the last sub-menu selected. Press the reset but-
ton again until the wording MENU flashes, then
release the button: the screen displays the value of
the set temperature.
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Parameters menu ( )
On activating the menu, the index of the first
parameter is displayed, followed by the set value:
- turn the knob to display the following parame-
ters;
- having identified the parameter to edit, press
reset: the value that can be edited flashes and,
by turning the knob, it is possible to change it;
- save the value by pressing the reset button.
Attention:
the menu is exited automatically after
5 minutes of inactivity, or by pressing the reset
button for a while.
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Calibration menu ( )
Attention:
the pressure must only be adjusted by
an authorised technician.
Attention:
the operations described below must
be carried out in sequence.
Attention:
calibration is completed automatically
after 15 minutes of inactivity or by pressing reset for
a long time, or in the event of overheating (67°C).
Before calibration, check the network pressure
by referring to the previous paragraph.
Two calibration methods are possible for the
gas valve:
-
MANU.
Enables a partial modification of the
values; it will be possible to deviate from the
set value by about +/- 1.5 mbar.
-
AUTO.
Enables to reset the values and perform
a complete calibration of the gas valve (e.g.:
after replacing the valve, the board or following
a gas transformation).
The standard procedure is
MANU
.
The
AUTO
procedure can only be accessed by
the Authorised Assistance Technical Service (Ref.
Par. 3.5).
To access the
MANU
procedure, proceed as
follows:
- set the system’s electric switch Off;
- remove the casing by loosening the fastening
screws situated in the lower part of the water
heater and release the casing from the upper
part;
- remove the cap that closes the service passage
(situated on the bracket -
Fig. 35
) and make it
pass through the hole of the silicone pipe of the
pressure gauge;
- loosen the pressure point screw downstream of
the gas valve by approximately two turns and
connect a pressure gauge;
- close the casing properly and set the system’s
switch On;
- access the calibration menu ( );
- open the hot water tap and wait for the burner
to ignite.
On activation of the menu, the wording
Ma
will appear first, followed by
nu
that makes up
the word
Manu
and (
) to indicate that the
appliance is operating at its maximum.
- Turn the knob until the burner’s maximum
pressure value is displayed on the pressure
gauge (ref. technical data table);
- to save the value, press the reset button;
- press the reset button to select the next value
regarding minimum calibration (
);
- turn the knob until the burner’s minimum
pressure value is displayed on the pressure
gauge (ref. technical data table);
- to save the value, press the reset button;
- press the reset button until the word MENU
flashes, then release the button: the screen will
display ( );
- press the reset button again until the wording
MENU flashes, then release the button: the
screen displays the value of the set temperature;
- close the hot water cock.
Attention:
the menu is exited automatically
after 15 minutes of inactivity, or in the event of
overheating 67°C).
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Alarms log menu ( )
This function enables you to view the last 10
errors triggered on the appliance.
On activating the menu, the following is dis-
played alternately: the wording ( ) (index of
the last error memorised), the error code and
wording ( ) (e.g.: ( ) => ( ) => ( ) ).
Turn the knob to scroll through the index of
errors; the displays run from the most recent to
the furthest in time.
If the user pauses, the screen displays the word-
ing AL to indicate that they are in the errors
log menu.
Press the reset button until the wording MENU
flashes, then release the button, the screen dis-
plays ( ).
Attention:
to exit the menu, press the reset but-
ton again until the wording MENU flashes, then
release the button: the screen displays the value of
the set temperature.
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Info menu ( )
This function displays:
the software revision.
The water temperature in real time.
The water flow rate in real time (l/min).
This function remains active when supplying
hot water.
Attention:
the menu is exited automatically after
15 minutes of inactivity, or by pressing the reset
button.
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Below is a list of parameters that can be edited.
