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
required. This resets normal operating conditions.
1
2
If you see alarm "E01" (no flame detected):
– turn dial
t
to
6
/
R
required. This resets normal operating conditions.
If this operation is not successful, ONLY ONE MORE RESET
can be made, therefore:
ATTEMPT
– close the gas isolation valve
– set the main system switch to "OFF"
– contact the Qualified Technical Personnel.
48
and then again to the adjustment value
and then again to the adjustment value
OFF
RESET
OFF
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
external sensor is connected, the display will show icon
and the value of the external temperature detected.
OFF
RESET
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
– set the main system switch to "OFF"
Fig. 8
– close the gas valve.
OFF
RESET
m
CAUTION
If the outside temperature might fall below ZERO,
Fig. 9
since the appliance is equipped with an "antifreeze
function"
– turn dial
– leave the main system switch set to "ON" (boiler is
powered)
– leave the gas valve open.
Fig. 10
.
6
/
R
. The display will show "- -" . If an
6
/
R
OFF
t
to
6
/
R
ON
EN
3
Fig. 11
Fig. 12
Fig. 13