8
EN
1.6
Fault / malfunction codes
If a fault/malfunction is detected during boiler operation, the
message
"ALL"
will appear on the display followed by the fault
code.
If you see alarm
“02”
(low water pressure in the system):
– on the display (1), check that the heating system pressure when
cold is
1-1.2 bar
. Otherwise, open the filling valve, which is to be
prearranged on the system return, and fill until a pressure of
1-1.2 bar
is shown on the display (1)
– close the filling valve
1
Fig. 4
If you see alarm
“06”
(no flame detected) and
“07”
(safety
thermostat intervention):
– press and hold the button
y
for more than 3 seconds and
check whether normal operating conditions are restored.
If this operation is not successful,
ONLY ONE MORE ATTEMPT
can
be made, therefore:
– close the gas isolation valve
– set the main system switch to "OFF"
– contact the Qualified Technical Personnel.
OFF
Fig. 5
m
CAUTION
Should you see an alarm not described here, contact a
qualified technical professional
.
1.6.1
Maintenance request
When it is time to perform maintenance on the boiler, the
c
symbol shows on the display.
Contact the technical assistance service to organise the necessary
work.
2 SHUTDOWN
2.1
Temporary shutdown
If the user wishes to interrupt boiler operation, press and hold the
button
y
for at least one second, once if in "WINTER mode"
n
or twice if in "SUMMER mode"
l
.
"- -"
will appear on the display.
f
ELECTRICAL HAZARD
The boiler will still be powered.
If the user is away temporarily, for a weekend, short trip etc and if
the outside temperature is at ZERO:
– press and hold the button
y
once if in "WINTER mode"
n
or
twice if in "SUMMER mode"
l
to put the boiler into stand-by
– set the main system switch to "OFF"
– close the gas valve.
OFF
Fig. 6
m
CAUTION
If the outside temperature might fall below ZERO, since
the appliance is equipped with an "antifreeze function"
– ONLY PUT THE BOILER INTO STAND-BY
– leave the main system switch set to "ON" (boiler is
powered)
– leave the gas valve open.