90
The boiler will function at minimum
power and the anomaly will be de-activa-
ted when the modulator is reconnected
or when the burner stops working .
– CONFIGURATION ANOMALY ALARM 12
Anomaly in the SEALED/OPEN configura-
tion . There may be a conflict between the
values set by the installer for PAR 1 and
the self-detection carried out by the card
causes the activation of the alarm: the
boiler will not function and the display
will show anomaly “AL 12” .
Reset PAR 1 to de-activate the alarm or
check the pressure switch/combustion
product thermostat and relative con-
nection .
– HEATING PROBE POSITIONING ANO-
MALY SM1/SM2 “AL 16” (fig . 24/d)
If the probe does not detect a tempe-
rature increase after burner ignition, the
burner switches off after 10 seconds, the
display shows anomaly AL 16 eand the4
green LED stays on .
If the anomaly occurs three times within
24h lthe boiler blocks, the display conti-
nues to show anomaly AL 16 and the red
LED switches on .
Press () on the control
panel to re-start the boiler .
– SENSOR ALIGNMENT ANOMALY “AL 17”
When the two sensitive elements of the
heating probe (SM1/SM2) differ to each
other by more than 16°C the boiler does
not function and the display shows ano-
maly AL 17 .
Reaplace the heating probe (SM1/SM2)
to restore functioning .
1
2
3
4
1
2
3
4
Fig . 24/d
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Страница 96: ...Cod 6316123 05 11 Documentation Dpt Via Garbo 27 37045 Legnago Vr Tel 39 0442 631111 Fax 39 0442 631292 ...