11
EN
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).
2
1
Fig. 6
If you see alarm
“06”
(no flame detected) and
“07”
(safety
thermostat intervention):
– press and hold the
o
R
button 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. 7
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,
“SE”
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
s
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
s
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. 8
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.
Summary of Contents for OPEN HYBRID SMART
Page 13: ...13 EN...
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