48
EN
1.6 Fault / malfunction codes
If a fault/malfunction is detected during boiler operation, the
message
"E"
will appear on the display followed by the fault
code.
If you see alarm
“04”
(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)
– turn dial
t
to
6
/
R
and then again to the adjustment value
required. This resets normal operating conditions.
21
Fig. 8
If you see alarm
“E01”
(no flame detected):
– turn dial
t
to
6
/
R
and then again to the adjustment value
required. This resets normal operating conditions.
OFF
RESET
Fig. 9
If this operation is not successful,
ONLY ONE MORE RESET
ATTEMPT
can be made, therefore:
– close the gas isolation valve
– set the main system switch to "OFF"
– contact the Qualified Technical Personnel.
Fig. 10
m
CAUTION
Should you see an alarm not described here, contact a
qualified technical professional
.
2 SHUTDOWN
2.1 Temporary shutdown
If the boiler is to be left unused for a long period, the following
operations need to be carried out::
– turn dial
t
to
6
/
R
. The display will show
"- -"
. If an
external sensor is connected, the display will show icon
3
and the value of the external temperature detected.
OFF
RESET
Fig. 11
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:
– turn dial
t
to
6
/
R
– set the main system switch to "OFF"
– close the gas valve.
OFF
RESET
Fig. 12
m
CAUTION
If the outside temperature might fall below ZERO,
since the appliance is equipped with an "antifreeze
function"
– turn dial
t
to
6
/
R
– leave the main system switch set to "ON" (boiler is
powered)
– leave the gas valve open.
ON
Fig. 13
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