ADI CD Boiler – Technical Manual
66
21. APPENDIX I: LIST OF ERROR CODES
ERROR
ERROR
CODE
DESCRIPTION OF ERROR - TEXT
DIAGNOSTIC
CODE
DIAGNOSTIC
0
No error
10
Outside sensor fault
Check connection and component
20
Boiler temperature 1 sensor fault
439-440
Short circuit or Open circuit boiler flow sensor (B2). Check connection and component
28
Flue gas temperature sensor fault
539...544
Short circuit or Open circuit flue gas sensor. Check connection and component
30
Flow temperature 1 sensor fault
Short circuit or Open circuit flow sensor B1. Check connection and component
32
Flow temperature 2 sensor fault
Short circuit or Open circuit flow sensor B12. Check connection and component
40
Return temperature 1 sensor fault
441-442
Short circuit or Open circuit boiler return sensor (B7). Check connection and component
46
Cascade return temperature sensor fault
Check connection and component (B70)
50
DHW temperature sensor 1 fault
Check connection and component (B3)
60
Room temperature 1 sensor fault
Check connection and component
65
Room temperature 2 sensor fault
Check connection and component
68
Room temperature 3 sensor fault
Check connection and component
73
Collector temperature 1 sensor fault
Check connection and component
81
LPB short-circuit or no bus power supply
Check bus connection and components
82
LPB address collision
Check devices addresses
83
BSB-Wire short-circuit or no communication
Check room units connection
84
BSB-Wire address collision
Check room units addresses
85
BSB radio communication fault
Check bus connection and components
91
Data loss in EEPROM
Internal fault, call technical service
98
Extension module 1 fault
Check connection and extension module
99
Extension module 2 fault
Check connection and extension module
100
Two clock time masters
Check LPB menu
102
Clock time master without power reserve
Check clock
105
Maintenance message
Push info button and see maintenance codes
109
Supervision Boiler temp
503-504
Call technical service
110
SLT lock-out
412
STB interruption. Incorrect water circulation
110
SLT lock-out
419
SLT temperature exceeded (2531). Incorrect heat transfer, incorrect water circulation
110
SLT lock-out
436
Temperature SLT lock-out (3639.1). Incorrect heat transfer, incorrect water circulation
110
SLT lock-out
420...438
Gradient and Delta-T safeties. Incorrect heat transfer, incorrect water circulation
111
Temp limiter safety shut-down
Temp limiter safety shut-down. Incorrect heat transfer, incorrect water circulation
119
Water pressure switch has cut out
563-564
Cut out to lock-out or start prevention. Check water pressure, fill circuit
121
Flow temp HC1 not reached
Check installation and components
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