47
Type No. Fault Solution
ALL 11
Gas valve modulator
disconnected
- Check the electrical
connection
ALL 12
Incorrect configuration
of the open /sealed
chamber
- Set the parameter tS 0.4
(Combustion configuration)
to 0
ALL 13
Smoke probe
intervention
- Check the sensor is
working
- Replace the smoke probe
ALL 14 Smoke probe fault
- Replace the smoke probe
- Check the electrical
connection of the smoke
probe
- Contact the Technical
Assistance Centre
ALL 15
Fan check cable
disconnected
- Check the connection cable
between the fan and the
board
ALL 18 Condensate level fault
- Check for any clogging in
the pipe which takes the
condensate to the siphon
- Check that the siphon is
not clogged
ALL 28
Maximum number of
consecutive releases
- Contact the Technical
Assistance Centre
ALL 30
Return sensor (SR)
fault
- Replace the return probe
- Check parameters
- Contact the Technical
Assistance Centre
ALL 37
Fault due to low
network voltage
- Check the voltage
- Contact your network
provider
ALL 40
Incorrect network
frequency detected
- Contact your network
provider
ALL 41
Flame loss more than 6
consecutive times
- Check the detection
electrode
- Check the gas supply (open
valve)
- Check mains gas pressure
ALL 42 Button fault
- Check that buttons are
working
ALL 43
Open Therm
communication fault
- Check the electrical
connection of the remote
control
ALL 44
No flame valve opening
time sum anomaly
- Replace the board
ALL 62
Self-calibrating
procedure is required
- Carry out the self-
calibrating procedure (see
the specific section)
ALL 70
HP high pressure time
max. interventions
- Decrease setting PAR 46
- Contact the Technical
Assistance Centre
ALL 72
Incorrect positioning of
the delivery sensor
- Check that the delivery
sensor is attached to the
delivery pipe
ALL 77
EV current max/min
absolute limits error
- Check gas valve and board
ALL 78
EV current upper limit
error
- Check gas valve and board
ALL 79
EV current lower limit
error
- Check gas valve and board
ALL 80
Fault on the valve
control logic line
- Check/replace the
connection cable to the gas
valve
ALL 81
Block due combustion
during start-up
- Check for blockage in
chimney or recirculation
- Bleed the air from the gas
circuit
- Check for any dirt on the
air evaporator
ALL 82
Block due to numerous
combustion control
failures
- Check electrode
- Check outlets
- Check air diaphragm
- Check gas calibration
- Check for any dirt on the
air evaporator
Type No. Fault Solution
ALL 83
Irregular combustion
(temporary error)
- Check for blockage in
chimney
- Check for any dirt on the
air evaporator
ALL 84
Flow rate reduced
for (presumed) low
pressure on mains gas
- Check gas flow rate
ALL 88
Internal error (board
component protection)
- Replace the board
ALL 89
Unstable combustion
feedback signal error
- Check electrode
- Check outlets
- Check air diaphragm
- Check gas calibration
ALL 90
Combustion set cannot
be reached error
- Check electrode
- Check outlets
- Check air diaphragm
- Check gas calibration
ALL 92
System has reached
maximum air
correction error (at the
minimum flow rate)
- Check electrode
- Check outlets
- Check air diaphragm
- Check gas calibration
ALL 93
Combustion set cannot
be reached error
- Check electrode
- Check outlets
- Check air diaphragm
- Check gas calibration
ALL 95
Flame signal micro
interruptions error
- Check electrode
- Check board
- Check electric power
supply
- Check gas calibration
ALL 96
Block due to clogging
in smoke outlet
- Check for blockage in
chimney
ALL 98
SW error, board start-
up
- Contact the Technical
Assistance Centre
ALL 99 General board error
- Contact the Technical
Assistance Centre
ALL -
Frequent relief valve
intervention
- Check circuit pressure
- Check expansion vessel
ALL -
Limited production of
domestic hot water
- Check the diverter valve
- Check that plate heat
exchanger is clean
- Check domestic hot water
circuit valve
8.7.1 Maintenance request
When it is time to perform maintenance on the boiler, the
c
symbol shows on the display.
Contact the technical assistance service to organise the
necessary work.
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