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14 - TROUBLESHOOTING
When a fault appears on the display, the flame symbol
For a description of the faults, consult the following table.
FAULT
FLAME FAILURE BLOCK (D)
PARASITE FLAME (T)
RE-ATTEMPT IN PROGRESS (T)
MINIMUM GAS INPUT PRESSURE (T)
MINIMUM GAS INPUT PRESSURE (D)
FLAME PRESENT IN STAND-BY FOR NO REASON (D)
LIMIT THERMOSTAT/FUME THERMOSTAT (D)
SHORT CIRCUIT FUMES PROBE (D)
MAXIMUM TEMPERATURE FUMES PROBE (D)
MAXIMUM TEMPERATURE INPUT PROBE (D)
MAXIMUM TEMPERATURE INPUT PROBE (T)
MAXIMUM TEMPERATURE RETURN PROBE (D)
MAXIMUM TEMPERATURE RETURN PROBE (T)
RETURN-INPUT PROBE DIFFERENTIAL (D)
FUMES PROBE OPEN (D)
FUMES OUTLET OR AIR PRESSURE SWITCH (cycle start) (D)
FUMES OUTLET OR AIR PRESSURE SWITCH (cycle start) (T)
VENTILATOR IN CYCLE (low number of revolutions) (D)
VENTILATOR (cycle start) (D)
VENTILATOR (cycle end) (T)
FUMES OUTLET OR AIR PRESSURE SWITCH (in cycle) (T)
VENTILATOR IN CYCLE (high number of revolutions) (D)
FUMES OUTLET OR AIR PRESSURE SWITCH (in cycle) (D)
INSUFFICIENT SYSTEM PRESSURE (D*)
INSUFFICIENT SYSTEM PRESSURE (T*)
WATER PRESSURE TRANSDUCER (D)
ELECTRONIC BOARD (D)
SANITARY PROBE 1 (T°)
SHORT CIRCUIT/OPEN PRIMARY PROBE (D)
MAXIMUM TEMPERATURE INPUT PROBE (T)
SHORT CIRCUIT/OPEN RETURN PROBE (D)
LOW TEMPERATURE THERMOSTAT (T)
INPUT/RETURN DIFFERENTIAL (T)
INPUT/RETURN DIFFERENTIAL (D)
SYSTEM ANOMALY (D)
SYSTEM ANOMALY (T)
SYSTEM ANOMALY (D)
SYSTEM ANOMALY (T)
CONDENSATE OR CONDENSATE SENSOR (D)
CONDENSATE OR CONDENSATE SENSOR (T)
CONDENSATE SENSOR OR OPEN CIRCUIT (D)
CONDENSATE SENSOR OR OPEN CIRCUIT (T)
(D) - Permanent - (T) - Temporary. In this operating status the boiler attempts to eliminate the fault on its own
(°)
C.S.I. - Fault in domestic hot water circuit sensor - 60: the boiler works regularly but does not ensure the stability of the hot water temperature which, however,
is delivered at a temperature of approximately 50°C. The fault code is only displayed in standby. R.S.I. - Only with external water tank with sensor. The fault
code is shown when the boiler is in stand-by.
(*)
If these two errors occur, check the pressure indicated on the water gauge. If the pressure is insufficient (< 0,4 bar, red area), proceed with the filling
operations described in the chapter "Filling and emptying the systems". If the system's pressure is sufficient (> 0,6 bar, blue area) the malfunction is caused
by a lack of water circulation. Contact the Technical Assistance.
Resetting faults
Wait for about 10 seconds before resetting operating conditions.
Then proceed as follows:
1) Viewing just the
symbol
If
disappears, it means that an operating fault has been discovered which
the boiler is attempting to solve on its own (temporary stoppage). If the boiler
does not resume normal operation, two things may happen:
Case A (Fig. A)
disappears, the
symbol and a different alarm code appear. In this case,
proceed as described in point 2.
Case B (Fig. B)
and a different alarm code are displayed together with
In this case, proceed as described in point 3.
2) Viewing just the
symbol (Fig. C)
Press the
button to reset the appliance. If the boiler starts the ignition phase
and resumes normal operation, it may have stopped by accident.
If these stoppages should continue, contact the Technical Assistance Centre.
3) Viewing the
and
symbols (Fig. D)
Contact the Technical Assistance Centre.
Note (C.S.I.)
Fault in domestic hot water circuit sensor - 60: the boiler works regularly but
does not ensure the stability of the hot water temperature which, however, is
delivered at a temperature of approximately 50°C. The fault code is only displayed
in standby.
goes out, a flashing code is shown and the two symbols
A
Temporary
fault
.
Permanent
fault
and
appear either together or separately.
Symbol
Alarm ID
10
YES
11
NO
12
NO
13
NO
14
YES
15
YES
20
YES
21
YES
22
YES
24
YES
25
NO
26
YES
27
NO
28
YES
29
YES
30
YES
31
NO
33
YES
34
YES
35
NO
36
NO
37
YES
38
YES
40
YES
41
NO
42
YES
50-59
YES
60
NO
70
YES
71
NO
72
YES
77
NO
78
NO
79
YES
80
YES
81
NO
82
YES
83
NO
92
YES
93
NO
94
YES
95
NO
C.S.I.
R.S.I.
C.S.I.
R.S.I.
ENGLISH
Symbol
NO
YES
NO
YES
NO
YES
NO
YES
NO
NO
YES
NO
YES
YES
YES
NO
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
YES
YES
YES
YES
NO
YES
YES
YES
17
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