Riello ALUDOMUS SOLAR KV/200 20 ISC SOLAR Installation And Maintenance Manual page 69

Error
Diagnostic Description of
code via
info
QAA
77 156 sensor error (not
77 157 sensor error (not
Water pressure
78 154 sensor error (not
Water pressure
78 155 sensor error (not
Water pressure
78 510 sensor error (not
Water pressure
78 511 sensor error (not
LPB communica-
81 518
82 519 LPB address error
91 131 EEPROM data loss
91 258 EEPROM data loss
91 268 EEPROM data loss
91 583 EEPROM data loss
Electronic device
92 293
Electronic device
92 294
Electronic device
92 484
Electronic device
92 485
Electronic device
92 486
Electronic device
92 487
Electronic device
92 488
Electronic device
92 489
Electronic device
92 490
Type of fault
error
Air pressure
Short circuit in tempera-
ture sensor
used)
Air pressure
Pressure switch faulty
used)
Short circuit in pressure
switch
used)
Pressure switch faulty
used)
Water pressure too high
or too low, or reading
used) not plausible
Reading not plausible
used)
LPB circuit short circuited
tion error or not powered
LPB address conflict
Hardware fault
Data overflow caused
by power failure during
functioning
Hardware fault
EEPROM read/write test
error
Hardware error
errors
Hardware error
errors
Room thermostat input
errors faulty
Air pressure switch input
errors faulty
Gas pressure switch
errors input faulty
Safety relay output faulty
errors
Safety valve output faulty
errors
DHW flow switch input
errors faulty
CH flow switch input
errors faulty
System action
Message
Message
Message
Message
Burner lockout
(permanent).
Lockout reset re-
quired
Safety shutdown
Message
Message
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Burner lockout
(permanent).
Lockout reset re-
quired
Message
Message
Message
Message
Message
Message
Message
69
THECNICAL ASSISTANCE SERVICE
Procedure
Check/replace air
pressure switch
Check/replace air
pressure switch
Check/replace water
pressure switch
Check/replace water
pressure switch
Check/replace water
pressure switch
Check/replace water
pressure switch
Check the LPB con-
nection. Check the
power supply to the
control card
Check the LPB con-
nection
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service
Contact Technical
Assistance Service