1.5
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 . If this is not the case, open the filling
valve (2) and restore the heating system pressure until the
display (1) shows a reading of 1-1.2 bar
– close the filling valve (2)
– press and hold the button
check whether normal operating conditions are restored.
1
2
If you see alarm "06" (no flame detected) and "07" (safety
thermostat intervention):
– press and hold the button
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.
m
CAUTION
Should you see an alarm not described here, contact a
qualified technical professional
18
y
for more than 3 seconds and
y
for more than 3 seconds and
OFF
.
1.5.1
Maintenance request
When it is time to perform maintenance on the boiler, the
symbol shows on the display.
Contact the technical assistance service to organise the nec-
essary work.
2
SHUTDOWN
2.1
Temporary shutdown
If the user wishes to interrupt boiler operation, press and hold
the button
y
mode"
n
or twice if in "SUMMER mode"
will appear on the display.
"- -"
Fig. 3
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
n
or twice if in "SUMMER mode"
stand-by
– set the main system switch to "OFF"
– close the gas valve.
m
CAUTION
If the outside temperature might fall below ZERO,
Fig. 4
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.
for at least one second, once if in "WINTER
l
y
once if in "WINTER mode"
l
to put the boiler into
OFF
EN
c
.
Fig. 5