63
6.5
Fault / malfunction codes
If a fault occurs, the screen
“Anomaly 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 re-
appears.
Esc
Reset
ANOMALY IN PROGRESS
6 - No flame detection
Reset boiler
Esc
Back
ANOMALY IN PROGRESS
5 - Technical problem
Contact customer service
Name: xxxxxxxx
Phone:yyyyyyyyy
Fig. 154
The fault may be
transient
(volatile) or it may cause an appli-
ance
block
.
To restore normal operating conditions:
– if the fault is transient, eliminate the cause of the fault
– if the fault causes a block, remove the cause of the fault and
then press the
Reset
button.
If there is
“no water in the system”
or
“low water pressure in the
system”
there is a request to fill the system and then to press
the
Confirm
button rather than the
Reset
button.
Esc
Charge
ANOMALY IN PROGRESS
2 - Low pressure
Fill the system as per boiler's manual instruction
Cancel
Confirm
CONFIRM REQUEST
Confirm operation?
Fig. 155
Boiler fault (gas side)
Type
No.
Description
ALL
01
Not used
ALL
02
Low water pressure in system
ALL
03
High water pressure in system
ALL
04
Domestic hot water sensor (SS) fault
ALL
05
Delivery sensor (SM) fault
ALL
06
No flame detection
ALL
07
Safety thermostat intervention
ALL
08
Fault in the flame detection circuit
ALL
09
No water circulating in the system
ALL
10
Auxiliary sensor fault
ALL
11
Gas valve modulator disconnected
ALL
12
Incorrect configuration of the open / sealed cham-
ber
ALL
13
Exhaust sensor (SF) intervention
ALL
14
Exhaust sensor (SF) fault
ALL
15
Fan check cable disconnected
ALL
18
Condensate level fault
ALL
28
Maximum number of consecutive resets (6)
ALL
30
Return sensor (SR) fault
ALL
37
Fault due to low network voltage
ALL
40
Incorrect supply frequency detected
ALL
41
Flame loss more than 6 consecutive times
ALL
42
Button fault
ALL
43
Open Therm communication fault
ALL
44
No flame valve opening time sum anomaly
ALL
62
Self-calibrating procedure is required
Type
No.
Description
ALL
72
Incorrect positioning of the delivery sensor
ALL
77
EV2 SGV current max/min absolute limits error
ALL
78
EV2 SGV current upper limit error
ALL
79
EV2 SGV current lower limit error
ALL
80
Fault on the valve control logic line/valve cable
damaged
ALL
82
Block due to numerous combustion control failures
ALL
84
Flow rate reduced for (presumed) low pressure on
mains gas
ALL
88
Internal error (board component protection)
ALL
89
Unstable combustion feedback signal error
ALL
90
Combustion set cannot be reached error
ALL
92
System has reached maximum air correction error
(at the minimum flow rate)
ALL
93
Combustion set cannot be reached error
ALL
95
Flame signal micro interruptions error
ALL
96
Lockout due to flue (exhaust) blockage
ALL
98
SW error, board start-up
ALL
99
General board error
Heat pump fault
Type
No.
Description
P
02
High pressure
P
04
Low pressure
P
12
Antifreeze (heat exchanger temp. < 3°C)
P
15
High temperature (HP delivery temp. > 50°C)
P
32
Probe errors aggregate (one or more probes with an
active alarm)
P
33
Battery temperature probe error
P
34
Inlet water temperature probe error
P
35
Outlet water temperature probe error
m
CAUTION
As a condition of the warranty and to ensure correct
operation and efficiency, it is important that the boiler
is serviced every 12 months, within 30 days of the an-
niversary of the installation date ensure the required
information is recorded in the Gas Boiler System Ser-
vice Interval Record (page 75) (Benchmark).