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Other fault displays
Description
Info line 3
Effect
Status display:
34/70
Siemens Building Technologies
HVAC Products
Depending on the type of boiler control, the room unit also displays other error codes
with the relevant error text. For detailed information, please refer to the technical
documentation of the boiler controller used.
3.18 Boiler status code
The room unit displays status codes that are generated by Siemens boiler control and
then transmitted via the OpenTherm bus. They will be cleared only when rectified.
Press the Info button to select Info line 3.
If a status code is indicated, the fault / status code symbol flashes.
When pressing the Info button, the relevant status code is displayed in clear text.
Display QAA73.110
None
Maintenance
Chimney sweep
Controller stop
Setting Vo LF
Setting Vo HF
Para-mode
Floor
Modem
BMU
Basic Documentation QAA73.110 Room unit
Error! Style not defined.
Description of error
No service required
Boiler or burner service required
Chimney sweep function active
Controller stop function active
Low-fire setting Vo is active
High-fire setting Vo is active
Unit is in parameter setting mode
Unit performes floor curing function
Standby by external BMU contact
Service non-Siemens boiler control required
CE1P2284en
19.06.2002
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