Type
No.
Fault
Block due combustion
ALL
81
during start-up
Block due to numerous
ALL
82
combustion control
failures
Irregular combustion
ALL
83
(temporary error)
Flow rate reduced
ALL
84
for (presumed) low
pressure on mains gas
Internal error (board
ALL
88
component protection)
Unstable combustion
ALL
89
feedback signal error
Combustion set cannot
ALL
90
be reached error
System has reached
maximum air
ALL
92
correction error (at the
minimum flow rate)
Combustion set cannot
ALL
93
be reached error
128
Solution
- Check for blockage in
chimney
- Check air diaphragm (for
BF models)
- Check gas calibration
- Bleed the air from the gas
circuit
- 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
Type
No.
Fault
Flame signal micro
ALL
95
interruptions error
Block due to clogging
ALL
96
in smoke outlet
SW error, board start-
ALL
98
up
ALL
99
General board error
Frequent relief valve
-
-
intervention
Limited production of
-
-
domestic hot water
4.6.1
Maintenance request
When it is time to perform maintenance on the boiler, the
symbol shows on the display.
Contact the technical assistance service to organise the
necessary work.
EN
Solution
- Check electrode
- Check board
- Check electric power supply
- Check gas calibration
- Check for blockage in
chimney
- Check the smoke outlet
and electrode position (not
touching the burner)
- Contact the Technical
Assistance Centre
- Contact the Technical
Assistance Centre
- Check circuit pressure
- Check expansion vessel
- Check the diverter valve
- Check that plate heat
exchanger is clean
- Check domestic hot water
circuit valve
c