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Siemens Switzerland Ltd. User manual CE1U2354en
HVAC Products The settings in detail 11. May 2007
6.26 List of displays
Priorities are assigned to pending errors. From priority 6, alarm messages are
delivered, which are used by remote supervision (OCI). In addition, the alarm relay will
be set.
6.26.1 Error code
Error code Description of error Priority
0
No error
10
Outside temperature sensor error
6
20
Boiler temperature 1 sensor error
9
25
Solid fuel boiler temperature (wood) sensor error
9
26
Common flow temperature sensor error
6
28
Flue gas temperature sensor error
6
30
Flow temperature 1 sensor error
6
32
Flow temperature 2 sensor error
6
38
Flow temperature primary controller sensor error
6
40
Return temperature 1 sensor error
6
46
Return temperature cascade sensor error
6
47
Common return temperature sensor error
6
50
DHW temperature 1 sensor error
9
52
DHW temperature 2 sensor error
9
54
DHW primary controller sensor error
6
57
DHW circulation temperature sensor error
6
60
Room temperature 1 sensor error
6
65
Room temperature 2 sensor error
6
68
Room temperature 3 sensor error
6
70
Buffer storage tank temperature 1 sensor error
6
71
Buffer storage tank temperature 2 sensor error
6
72
Buffer storage tank temperature 3 sensor error
6
73
Collector temperature 1 sensor error
6
74
Collector temperature 2 sensor error
6
81
Short-circuit LPB
6
82
LPB address collision
3
83
BSB wire short-circuit
6
84
BSB address collision
3
85
BSB radio communication fault
6
98
Extension module 1 fault (common fault status message)
6
99
Extension module 2 fault (common fault status message)
6
100
2 clock time masters (LPB)
3
102
Clock time master without backup (LPB)
3
105
Maintenance message
5
109
Boiler temperature supervision
9
110
Lockout by SLT
9
117
Upper pressure limit (crossed)
6
118
Critical lower pressure limit (crossed)
6
121
Flow temperature 1 (HC1) supervision
6
122
Flow temperature 2 (HC2) supervision
6
126
DHW charging supervision
6
127
Legionella temperature not reached
6
131
Burner fault
9
146
Configuration error common message
3
171
Alarm contact 1 (H1) active
6
172
Alarm contact 2 (H2) active
6
173
Alarm contact 3 (EX2/230VAC) active
6
174
Alarm contact 4 (H3) active
6
176
Upper pressure limit 2 (crossed)
6
177
Critical lower pressure limit 2 (crossed)
6
178
Temperature limiter heating circuit 1
3
179
Temperature limiter heating circuit 2
3
217
Sensor error common message
6
218
Pressure supervision common message
6
243
Swimming pool temperature sensor error
6
320
DHW charging temperature sensor error
6
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