Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 70

THECNICAL ASSISTANCE SERVICE
Error
Diagnostic
code via
info
QAA
92 491
95 538
100 520
100 539
105 560
105 561
105 562
105 563
110 17
110 115
110 129
110 422
110 470
111 141
113 506
117 512
117 537
118 513
118 514
Description of
Type of fault
error
Electronic device Dynamic ignition output
errors
Invalid date Internal LMU clock invalid
Two master clocks Two master clocks found
found on LPB connection
Two master clocks Two master clocks found
found
The hours of functioning
Maintenance
exceed the number set at
message
the last service
The burner ignitions
Maintenance
exceed the number set at
message
the last service
The months of functio-
Maintenance
ning exceed the number
message
set at the last service
Maintenance The flame ionisation cur-
message rent has been exceeded
Safety thermostat
Circuit open
tripped (SLT)
Safety thermostat Maximum temperature
tripped (SLT)
Safety thermostat Thermostat tripped due
tripped (SLT) to residual heat
Safety thermostat Thermostat tripped due
tripped (SLT) to residual heat
Safety thermostat
Circuit open
tripped (SLT)
Threshold ther- Threshold thermostat
mostat tripped
TaAbschal (flue gas
temperature threshold
Flue gas thermo-
for boiler shutdown)
stat tripped
parameter exceeded or
reading not plausible
PH2Omax (maximum
Water pressure
water pressure in boiler)
too high (inactive)
parameter exceeded
dpH2OmaxPuOn parame-
ter (maximum permissi-
Water pressure
ble pressure differential
too high (inactive)
after pump start-up)
Water pressure is below
the value set in the
Water pressure PH2OAbschalt parameter
too low (inactive) (minimum pressure th-
reshold for deactivating
the boiler pump)
Water pressure is below
Water pressure the value set in the
too low (inactive) PH2Omin parameter (mi-
nimum pressure)
System action
Message
faulty
Message
Message
Message
(on Qaa)
Message
Message
Message
Message
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
exceeded
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
Safety shutdown
tripped
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
Safety shutdown
exceeded
Safety shutdown
Message
70
Procedure
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Service the boiler
Service the boiler
Service the boiler
Service the boiler
Circuit open: check
connections
SLT thermostat trip-
ped: check system
SLT thermostat trip-
ped at wrong time:
check system
SLT thermostat trip-
ped at wrong time:
check system
SLT thermostat trip-
ped: check system
Temperature too
high: check system
Check flue gas vent;
check temperatu-
re reading; check/
replace temperature
sensor
Check the water
pressure; check the
system; check/repla-
ce the temperature
sensor
Check the water
pressure; check the
system; check the
pressure switch
Check the water
pressure; check the
system; check the
pressure switch;
check the pump
Check the water
pressure; check the
system; check the
pressure switch;
check the pump