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1.6
Fault / malfunction codes
If a fault/malfunction is detected during boiler operation, the
message "AL" will appear on the display followed by the fault
code.
If you see alarm "02" (low water pressure in the system):
– using a pressure gauge (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 pressure gauge (1) shows a reading of 1-1.2 bar
– close the filling valve (2)
– press and hold the
o R
and check whether normal operating conditions are restored.
2
If you see alarm "06" (no flame detected) and "07" (safety ther-
mostat intervention):
– press and hold the
o R
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
m
CAUTION
Should you see an alarm not described here, contact a
qualified technical professional
50
button for more than 3 seconds
1
Fig. 6
button for more than 3 seconds
Fig. 7
.
1.6.1
Maintenance request
When it is time to perform maintenance on the boiler, "SE"
shows on the display.
Contact the technical assistance service to organise the neces-
sary work.
2
SHUTDOWN
2.1
Temporary shutdown
If the user wishes to interrupt boiler operation, press and hold
the button
for at least one second, once if in "WINTER mode"
s
n
or twice if in "SUMMER mode"
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
s
twice if in "SUMMER mode"
– set the main system switch to "OFF"
– close the gas valve.
OFF
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.
EN
l
. "- -" will appear on the
once if in "WINTER mode"
n
l
to put the boiler into stand-by
Fig. 8
or
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