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Les langues disponibles
Type
No.
Fault
Auxiliary sensor
AL
10
fault
Gas valve modulator
AL
11
disconnected
Domestic hot water
AL
12
sensor fault in tank
mode
Smoke probe inter-
AL
13
vention
AL
14
Smoke probe fault
Fan check cable
AL
15
disconnected
Condensate level
AL
18
fault
Maximum number of
AL
28
consecutive resets
reached
Return sensor fault
AL
30
(boiler sensor fault
for T models)
Fault due to low
AL
37
network voltage
Incorrect network
AL
40
frequency detected
Flame loss more
AL
41
than 6 consecutive
times
AL
42
Button fault
Open Therm com-
AL
43
munication fault
No flame valve
AL
44
opening time sum
anomaly
Lock for ∆T delivery/
AL
56
return over max limit
(open vent)
Lock for flow tem-
AL
57
perature (FT) check
(open vent)
Self-calibrating pro-
AL
62
cedure is required
Incorrect position-
AL
72
ing of the delivery
sensor
Second delivery
AL
74
sensor fault
EV2 SGV current
AL
77
max/min absolute
limits error
EV2 SGV current
AL
78
upper limit error
EV2 SGV current
AL
79
lower limit error
Fault on the valve
AL
80
control logic line/
valve cable damaged
Block due combus-
AL
81
tion during start-up
76
Solution
- Check the hydraulic configura-
tion using "tS 0.2"
- Check the electrical connec-
tion
- Check the electrical connec-
tion
- Set the parameter tS 0.4
(Combustion configuration)
to 0
- Check the sensor is working
- Replace the smoke probe
- Replace the smoke probe
- Check the electrical connec-
tion of the smoke probe
- Contact the Technical Assis-
tance Centre
- Check the connection cable
between the fan and the board
- Check for any clogging in the
pipe which takes the conden-
sate to the siphon
- Check that the siphon is not
clogged
- Wait 1 hour and try unblocking
the board again
- Contact the Technical Assis-
tance Centre
- Replace the return probe
- Check parameters
- Contact the Technical Assis-
tance Centre
- Check the voltage
- Contact your network provider
- Contact your network provider
- Check the ignition/detection
electrode
- Check the gas supply (open
valve)
- Check mains gas pressure
- Check that buttons are
working
- Check the OT electric con-
nection
- Check for the presence of wa-
ter hammer on the hot water
system and, if present, mount
a water hammer arrestor
- Check for any abnormal
requests on the room ther-
mostat
- Contact the Technical Assis-
tance Centre
- Contact the Technical Assis-
tance Centre
- Contact the Technical Assis-
tance Centre
- Carry out the self-calibrating
procedure (see the specific
section)
- Check delivery sensor opera-
tion and position
- Check second delivery sensor
operation and position
- Check gas valve and board
- Check gas valve and board
- Check gas valve and board
- Check gas valve and board
- Check for blockage in chimney
- Check air diaphragm (for BF
models)
- Check gas calibration
- Bleed the air from the gas
circuit
Type
No.
Fault
Block due to nu-
AL
82
merous combustion
control failures
Irregular combustion
AL
83
(temporary error)
Flow rate reduced
for (presumed) low
AL
84
pressure on mains
gas
Internal error (board
AL
88
component protec-
tion)
Unstable combus-
AL
89
tion feedback signal
error
Combustion set
AL
90
cannot be reached
error
System has reached
maximum air cor-
AL
92
rection error (at the
minimum flow rate)
Combustion set
AL
93
cannot be reached
error
Flame signal micro
AL
95
interruptions error
Block due to clog-
AL
96
ging in smoke outlet
SW error, board
AL
98
start-up
AL
99
General board error
Frequent relief valve
-
-
intervention
Limited production
-
-
of domestic hot
water
8.6.1
Maintenance request
When it is time to perform maintenance on the boiler, "SE"
shows on the display.
Contact the technical assistance service to organise the neces-
sary work.
EN
Solution
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check for blockage in chimney
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check gas flow rate
- Check the board is working
- Replace board
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
- Check electrode
- Check board
- Check electric power supply
- Check gas calibration
- Check for blockage in chimney
- Check the smoke outlet and
electrode position (not touch-
ing the burner)
- Contact the Technical Assis-
tance Centre
- Contact the Technical Assis-
tance Centre
- Check circuit pressure
- Check expansion vessel
- Check the diverter valve
- Check that plate heat ex-
changer is clean
- Check domestic hot water
circuit valve
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