– AUXILIARY SENSOR ERROR
ALARM 10
(Ensure that PAR 2 is set correctly).
– MODULATOR ERROR
ALARM 11
Themodulatorisnotconnected.
Ifduringfunctioningtheboilerdetects
zerocurrenttothemodulator,thedi-
splaywillshowanomaly“AL 11”.
The boiler will function at minimum
power and the anomaly will be de-
activated when the modulator is re-
connected or when the burner stops
working.
– CONFIGURATION ERROR
ALARM 12
Anomaly in the SEALED/OPENconfigu-
ration.Theremaybeaconflictbetween
thevaluessetbytheinstallerforPAR1
andtheself-detectioncarriedoutbythe
cardcausestheactivationofthealarm:
the boiler will not function and the di-
splaywillshowanomaly“AL 12”.
ResetPAR 1 tode-activatethealarm
orcheckthepressureswitch/combu-
stion productthermostatand relative
connection.
– HEATING PROBE POSITIONING
ERROR SM1/SM2
ALARM 16 (fig.4/d)
Iftheprobedoesnotdetectatempe-
rature increase after burner ignition,
theburnerswitchesoffafter10secon-
ds, the display shows anomaly AL 16
andthe4greenLEDstayson.
Iftheanomalyoccursthreetimeswi-
thin24htheboilerlockout,thedisplay
continuestoshowerrorAL16andthe
redLEDswitcheson.
Press
onthecontrolpaneltore-start
theboiler.
– SENSOR ALIGNMENT ERROR
ALARM 17
When the two sensitive elements of
theheatingprobe(SM1/SM2)differto
eachotherbymorethan16°Ctheboi-
ler does not function and the display
showserror AL17.
Replacethehea-
tingprobe(SM1/SM2)torestoreope-
ration.