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EXCLUSIVE GREEN HE C.S.I. - R.S.I.
14 - TROUBLESHOOTING
When a fault appears on the display, the fl ame symbol
separately. 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)
LIMIT THERMOSTAT (D)
SHORT CIRCUIT 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 OVERTEMPERATURE (D)
VENTILATOR (cycle start) (D)
VENTILATOR IN CYCLE (low number of revolutions) (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)
SECOND SYSTEM WITHOUT HEATING PROBE
LOW TEMPERATURE THERMOSTAT (T)
INPUT/RETURN DIFFERENTIAL (T)
INPUT/RETURN DIFFERENTIAL (D)
SYSTEM ANOMALY (D)
SYSTEM ANOMALY (T)
SYSTEM ANOMALY (D)
SYSTEM ANOMALY (T)
CLEAN PRIMARY EXCHANGER (-)
(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 insuffi cient (< 0,4 bar, red area), proceed with the fi lling
operations described in the chapter "Filling and emptying the systems". If the system's pressure is suffi cient (> 0,6 bar, blue area) the malfunction is
caused by a lack of water circulation. Contact the Technical Assistance.
If alarm 21 code is temporarily displayed at ignition (with fl ame burning) this does not indicate a fault. Check the above table if the alarm persists.
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.
Case C
Alarm 91 - Contact the Technical Assistance
The boiler has a self-diagnosis system which, on the basis of the hours to-
talised in particular operating conditions, signals the need for maintenance
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 exchanger
is thoroughly cleaned or replaced.
20
goes out, a fl ashing code is shown and the two symbols
Alarm ID
10
11
12
13
14
20
21
24
25
26
27
28
29
34
37
40
41
42
50-59
60
70
71
72
75
77
78
79
80
81
82
83
91
A
Temporary
fault
.
Permanent
fault
and
appear either together or
Symbol
Symbol
YES
NO
NO
YES
NO
NO
NO
YES
YES
NO
YES
NO
YES
YES
YES
NO
NO
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
NO
YES
YES
YES
NO
NO
YES
YES
NO
YES
NO
YES
NO
YES
YES
NO
YES
YES
NO
YES
YES
YES
NO
YES
NO
YES
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