68
7.6
Fault / malfunction codes
If a fault occurs, the screen
“Anomaly in progress”
(FAULT IN
PROGRESS) will appear in place of the “main screen”. For the
main fault codes, a brief description and suggestions for the user
are displayed, based on the seriousness and the frequency with
which the fault reappears.
Fault in progress
ALL 05 - Flow sensor fault
Esc
Fault in progress
Reset
ALL 06 - No flame detection
Fig. 128
The fault may be
transient
(volatile) or it may cause an appliance
block
.
To restore normal operating conditions:
– if the fault is transient, eliminate the cause of the fault
– if the fault causes a block, eliminate the cause of the fault and
then press the
“RESET”
(Reset) button; press the
en-
coder to confirm.
Fault in progress
ALL 02 - Low system water pressure
Fill
Fault in progress
Confirm operation
Confirm
Fig. 129
Type
No. Description
ALL
2
Low water pressure in system
ALL
3
High water pressure in system
ALL
4
Domestic hot water sensor fault (return sensor fault for
T models)
ALL
5
Delivery sensor fault
ALL
6
No flame detection
ALL
7
Sensor or safety thermostat intervenes
ALL
8
Fault in the flame detection circuit
ALL
9
No water circulating in the system
ALL
10 Auxiliary sensor 1 fault
ALL
12 Domestic hot water sensor fault in tank mode
ALL
13 Smoke probe intervention
ALL
14 Smoke probe fault
ALL
15 Fan fault
ALL
19 External sensor fault
ALL
20 Boiler configuration failure (PAR 01 and PAR 02 not
configured)
Type
No. Description
ALL
30 Return sensor fault (boiler sensor fault for T models)
ALL
31 PT1000 sensor fault
ALL
32 Auxiliary sensor 2 fault
ALL
37 Fault due to low network voltage
ALL
40 Incorrect network frequency detected
ALL
41 Flame loss more than 6 consecutive times
ALL
43 Open Therm communication fault
ALL
46 Mix zone thermostat intervention fault
ALL
47 Mix zone sensor fault
ALL
48 Mix zone configuration fault
ALL
49 Solar manifold probe fault
ALL
50 Solar hot water tank sensor fault
ALL
51 Solar system configuration fault
ALL
52 Preheating sensor fault
ALL
53 Preheating configuration fault
ALL
54 Hybrid kit system thermostat fault
ALL
55 Hybrid kit sensor fault
ALL
58 Heat pump lockout fault
ALL
59 Heat pump or hybrid kit configuration fault
ALL
67 Cascade manifold probe fault
ALL
68 Cascade board communication fault
ALL
69 Identical addresses in cascade fault
ALL
70 Cascade stop general fault
ALL
71 Generic fault with cascade module
ALL
72 Incorrect positioning of the delivery sensor
ALL
98 SW error, board start-up
ALL
99 General board error
ALL
100 Communication error with BMU
ALL
101 Configuration error with Zone 1
ALL
102 Configuration error with Zone 2
ALL
103 Configuration error with Zone 3
ALL
104 Configuration error with Zone 4
ALL
111 Communication error with Zone room sensor 1
ALL
112 Communication error with Zone room sensor 2
ALL
113 Communication error with Zone room sensor 3
ALL
114 Communication error with Zone room sensor 4
ALL
121 Communication error with Zone Circuit 1
ALL
122 Communication error with Zone Circuit 2
ALL
123 Communication error with Zone Circuit 3
ALL
124 Communication error with Zone Circuit 4
ALL
151 Value reading error for Zone room sensor 1
ALL
152 Value reading error for Zone room sensor 2
ALL
153 Value reading error for Zone room sensor 3
ALL
154 Value reading error for Zone room sensor 4
Summary of Contents for 8115101
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