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EXCLUSIVE GREEN E C.S.I. - R.S.I.
14 - TROUBLESHOOTING
When a fault appears on the display, the flame symbol goes out, a flashing code is shown and the two symbols
and
appear either
together or separately. For a description of the faults, consult the following table.
(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.
(-) Contact the Technical Assistance.
If alarm 21 code is temporarily displayed at ignition (with flame burning) this does not indicate a fault. Check the above table if the alarm persists.
FAULT
Alarm ID
Symbol
Symbol
FLAME FAILURE BLOCK (D)
10
YES
NO
PARASITE FLAME (T)
11
NO
YES
RE-ATTEMPT IN PROGRESS (T)
12
NO
NO
MINIMUM GAS INPUT PRESSURE (T)
13
NO
YES
MINIMUM GAS INPUT PRESSURE (D)
14
YES
NO
LIMIT THERMOSTAT (D)
20
YES
NO
SHORT CIRCUIT FUMES PROBE (D)
21
YES
YES
MAXIMUM TEMPERATURE INPUT PROBE (D)
24
YES
NO
MAXIMUM TEMPERATURE INPUT PROBE (T)
25
NO
YES
MAXIMUM TEMPERATURE RETURN PROBE (D)
26
YES
NO
MAXIMUM TEMPERATURE RETURN PROBE (T)
27
NO
YES
RETURN-INPUT PROBE DIFFERENTIAL (D)
28
YES
YES
FUMES PROBE OVERTEMPERATURE (D)
29
YES
YES
VENTILATOR (cycle start) (D), AIR PRESSURE SWITCH FAULT
34
YES
NO
VENTILATOR IN CYCLE (low number of revolutions) (D)
37
YES
YES
INSUFFICIENT SYSTEM PRESSURE (D*)
40
YES
NO
INSUFFICIENT SYSTEM PRESSURE (T*)
41
NO
YES
WATER PRESSURE TRANSDUCER (D)
42
YES
YES
ELECTRONIC BOARD (D)
50-59
YES
YES
SANITARY PROBE 1 (T°)
60
NO
YES
SHORT CIRCUIT/OPEN PRIMARY PROBE (D)
70
YES
YES
MAXIMUM TEMPERATURE INPUT PROBE (T)
71
NO
NO
SHORT CIRCUIT/OPEN RETURN PROBE (D)
72
YES
YES
SECOND SYSTEM WITHOUT HEATING PROBE
75
NO
YES
LOW TEMPERATURE THERMOSTAT (T)
77
NO
YES
INPUT/RETURN DIFFERENTIAL (T)
78
NO
YES
INPUT/RETURN DIFFERENTIAL (D)
79
YES
NO
SYSTEM ANOMALY (D)
80
YES
YES
SYSTEM ANOMALY (T)
81
NO
YES
SYSTEM ANOMALY (D)
82
YES
YES
SYSTEM ANOMALY (T)
83
NO
YES
SIGNAL OF STOP SENT TO THE “OT” DEVICES
89
-
-
CLEAN PRIMARY EXCHANGER (-)
91
NO
YES
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, three 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.
Case C
Alarm 91 - Contact the Technical Assistance
The boiler has a self-diagnosis system which, on the basis of the hours
totalised in particular operating conditions, signals the need for main-
tenance or cleaning of the primary exchanger (alarm code 91). After
cleaning using the kit supplied as an accessory, reset the hour counter
as follows:
- disconnect the mains power supply
- remove the screws and hooks securing the electrical cover
- remove connector J13 (see wiring diagram)
- power the boiler and wait for alarm 13 to appear on the display
- disconnect the power supply and reconnect connector J13
- put back the electrical cover and restart the boiler.
N.B.:
perform the counter reset procedure every time the primary ex-
changer is thoroughly cleaned or replaced.
A
Temporary
fault
Permanent
fault
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