94
EN
Type No. Fault
Solution
AL
90 Combustion set cannot
be reached error
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
AL
92
System has reached
maximum air
correction error (at the
minimum flow rate)
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
AL
93 Combustion set cannot
be reached error
- Check electrode
- Check outlets
- Check air diaphragm (for BF
models)
- Check gas calibration
AL
95 Flame signal micro
interruptions error
- Check electrode
- Check board
- Check electric power supply
- Check gas calibration
AL
96 Block due to clogging
in smoke outlet
- Check for blockage in
chimney
- Check the smoke outlet
and electrode position (not
touching the burner)
AL
98 SW error, board start-
up
- Contact the Technical
Assistance Centre
AL
99 General board error
- Contact the Technical
Assistance Centre
Type No. Fault
Solution
-
-
Frequent relief valve
intervention
- Check circuit pressure
- Check expansion vessel
-
-
Limited production of
domestic hot water
- Check the diverter valve
- Check that plate heat
exchanger is clean
- Check domestic hot water
circuit valve
4.6.1
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
necessary work.