Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 71

Error
Diagnostic Description of
code via
info
QAA
Water pressure
118 536
too low (inactive)
Flue gas thermo-
119 139
Flue gas thermo-
119 140
No flame during
128 98
No flame during
128 99
No flame during
128 100
No flame during
128 570
No flame during
128 571
Comburent air
129 78
Comburent air
129 79
Comburent air
129 80
Comburent air
129 84
Comburent air
129 85
Comburent air
129 86
Type of fault
error
Water pressure is below
the value set in the
dpH2OminPuOn parame-
ter (minimum pressure
differential after pump
start-up)
Flue gas thermostat
stat tripped tripped
Flue gas thermostat
stat tripped tripped
Flame failure during
functioning functioning
Flame failure during
functioning functioning
Flame failure during
functioning functioning
Ionisation current is
below the threshold
set in the IonLimitGrenz
functioning parameter; count for
number of missing flame
readings started
Ionisation current is
below the threshold
set in the IonLimitGrenz
functioning parameter; maximum
number of missing flame
readings reached
Air pressure switch trip-
system error
The air pressure switch
has been closed incor-
rectly (toggles repeatedly
system error between open and
closed position) or fan
speed is too high
The air pressure switch
has been closed incor-
rectly (toggles repeatedly
system error between open and
closed position) or fan
speed is too low
Maximum fan speed
system error exceeded
Fan speed below mini-
system error mum
Fan speed below mini-
system error mum
System action
Safety shutdown
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
Safety shutdown
Safety shutdown
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
ped
Safety shutdown
Safety shutdown
Safety shutdown
Safety shutdown
Safety shutdown
71
THECNICAL ASSISTANCE SERVICE
Procedure
Check the water
pressure; check the
system; check the
pressure switch;
check the pump
Check the water
pressure; check the
system; check the
temperature sensor
Check the water
pressure; check the
system; check the
temperature sensor
Check the gas supply
and gas valve status;
check the burner
Check the gas supply
and gas valve status;
check the burner
Check the gas supply
and gas valve status;
check the burner
Check the gas supply
and gas valve status;
check the burner
Check the gas supply
and gas valve status;
check the burner
Check the air pressu-
re switch; check the
air intake pipe; check
the fan
Check the air pressu-
re switch; check the
air intake pipe; check
the fan
Check the air pressu-
re switch; check the
air intake pipe; check
the fan
Check the air pressu-
re switch; check the
air intake pipe; check
the fan
Check the air pressu-
re switch; check the
air intake pipe; check
the fan
Check the air pressu-
re switch; check the
air intake pipe; check
the fan