Ariston Thermo SGA OPTIMA V X 160 Instrucciones Tecnicas Para La Instalacion Y El Mantenimiento página 42

GB
DIAGNOSTICS
If the initialisation procedure does not terminate after 6 seconds, try turning the appliance off
and on again; if the fault persists, contact an authorised Service Centre.
To access diagnostics mode, hold down both " + "and " – " on the control panel for at least 10
seconds. The red "
mode, hold down both " + "and " – " on the control panel for at least 4 seconds; if no faults are
present, the red "
Diagnosis table
TYPE OF SHUTDOWN
1 Anode Fault
Water supply failure
or anode failure
NTC sensor fault
2
(open or short circuited)
3 Shutdown: no fl ame
after safety time (7 sec.)
4 Shutdown: pressure switch contact
timed out after fan start
5 Shutdown: pressure switch contact
closed before fan start
7 Shutdown: water limit thermostat
8 Shutdown: parasitic flame
10 Communication error between
PCB and interface
11 Internal fault PCB
WARNING!
If a controller error occurs, contact an Authorised Service Centre.
42
" led will fl ash to indicate that you are in diagnostics mode. To quit the
" led will go out.
Display only.
The burner is working all the same.
Ignition cycle inhibited; contact an authori-
sed Service Centre.
Burner stopped.
When the fault is reset, the system will
automatically resume normal operation.
Burner stopped.
Manual reset required.
Burner stopped.
When the fault is reset, the system will
automatically resume normal operation.
Burner stopped.
Manual reset required.
EFFECT
LED COMBINA-
TION (ON)
I
I I
ECO
I I I I
I + I I
I + I I I I
I I + I +I I I I
I + ECO + I I I I
I I + I + ECO