Lockouts
In case of a lockout, a warning symbol (
be determined and eliminated before the boiler is being reset. The table below shows all possible lockouts with indication of
possible cause.
Error
code
) and a flashing error code appears on the display. The cause of a fault should first
Description of error
0
No error
10
Outside temperature sensor error
20
Boiler temperature 1 sensor error
25
Solid fuel boiler temperature (wood) sensor error
26
Common flow temperature sensor error
28
Flue gas temperature sensor error
30
Flow temperature 1 sensor error
31
Flow temperature 1 cooling sensor error
32
Flow temperature 2 sensor error
38
Flow temperature primary controller sensor error
40
Return temperature 1 sensor error
46
Return temperature cascade sensor error
47
Common return temperature sensor error
50
DHW temperature 1 sensor error
52
DHW temperature 2 sensor error
54
DHW primary controller sensor error
57
DHW circulation temperature sensor error
60
Room temperature 1 sensor error
65
Room temperature 2 sensor error
68
Room temperature 3 sensor error
70
Buffer storage tank temperature 1 sensor error
71
Buffer storage tank temperature 2 sensor error
72
Buffer storage tank temperature 3 sensor error
73
Collector temperature 1 sensor error
74
Collector temperature 2 sensor error
78
Dynamic pressure switch
82
LPB address collision
83
BSB wire short-circuit
84
BSB address collision
85
BSB RF communication error
91
EEPROM error lockout information
98
Extension module 1 error (collective error)
99
Extension module 2 error (collective error)
100
2 clocktime masters (LPB)
102
Clocktime master without reserve (LPB)
103
Communication error
105
Maintenance message
Boiler temperature supervision
109
110
STB lockout
111
TW cutout
117
Upper pressure limit H1, H4, H5, H6 or H7 (exceeded)
118
Critical lower pressure limit H1, H4, H5, H6 or H7 (crossed)
119
Error pressure switch
Flow temperature 1 (HC1) supervision
121
Flow temperature 2 (HC2) supervision
122
125
Pump supervision error
126
DHW charging supervision
127
Legionella temperature not reached
27