87/109
Siemens
User Manual
CE1U2357en
Building Technologies
6 The settings in detail
2014-07-30
6.15 List of displays
6.15.1 Error code
Error
code
Description of error
Priority
10
Outside temperature sensor error
6
20
Boiler temperature 1 sensor error
9
30
Flow temperature 1 sensor error
6
32
Flow temperature 2 sensor error
6
40
Return temperature 1 sensor error
6
50
DHW temperature 1 sensor error
9
52
DHW temperature 2 sensor error
9
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
73
Collector temperature 1 sensor error
6
83
BSB wire short-circuit
6
85
BSB radio communication fault
6
98
Extension module 1 fault (common fault status message)
6
109
Fault boiler temperature supervision
9
117
Upper pressure limit (crossed)
6
118
Critical lower pressure limit (crossed)
6
121
Alarm flow temperature 1 (HC1)
6
122
Alarm flow temperature 2 (HC2)
6
127
Legionellentemperatur nicht erreicht
6
131
Burner fault
9
146
Configuration error sensor / controlling element
3
171
Alarm contact input H1 active
6
172
Alarm contact input H2 active
6
6.15.2 Maintenance code
Maintenance
code
Description of maintenance
Priority
1
Burner hours run exceeded
6
2
Burner starts exceeded
6
3
Maintenance interval exceeded
6
5
Water pressure heating circuit too low
(pressure dropped below lower limit 1)
9
10
Replace battery of outside sensor
6
18
Water pressure 2 heating circuit too low
(pressure dropped below lower limit 2)
9