Tab.99 List of alarm codes
Error code Message
Description
A02.06
Water Press Warning
Water Pressure Warning active
A02.18
OBD Error
Object Dictionary Error
A02.22
System flow warning
System water flow warning active
A02.55
Inval or miss SerNR
Invalid or missing device serial number
A02.80
Missing Cascade Ctrl
Missing Cascade controller
11.2.6 SCB-10 alarm codes
An alarm code is a temporary heat pump status, resulting from the
detection of an anomaly. If an alarm code still remains after several
automatic start-up attempts, the system goes into fault mode.
Tab.100
Code
Display text
Description
A00.32
TOutside Open
Outside temperature sensor is either removed or measures a
temperature below range
A00.33
TOutside Closed
Outside temperature sensor is either shorted or measures a
temperature above range
A00.34
TOutside Missing
Outside temperature sensor was expected but not detected
A02.18
OBD Error
Object Dictionary Error:
Reset
and
A02.37
Uncritic device lost
Uncritical device has been disconnected:
Bad connection: check the wiring and connectors.
Faulty SCB PCB: replace SCB PCB
A10.45
RoomTempZoneA miss
Measure of Room Temperature Zone A is missing
A10.46
RoomTempZoneB miss
Measure of Room Temperature Zone B is missing
A10.47
RoomTempZoneC miss
Measure of Room Temperature Zone C is missing
A10.50
T_DHW top D miss
Domestic Hot Water temperature sensor top zone DHW is
missing
A10.54
Temp. Zone DHW miss.
Temperature sensor Zone DHW is missing
A10.56
T_DHW Zone AUX miss
Domestic Hot Water temperature sensor Zone AUX is missing
11.3 Displaying and clearing the error memory
The error memory stores the 32 most recent errors. You can check the
details of each error and then clear it from the error memory.
To display and clear the error memory:
1. Press the key.
2. Select Error History.
The list of the 32 most recent errors is displayed with the error code,
a short description and the date.
3. Carry out the following actions according to your needs:
Show the details of an error: select the desired error.
To clear the error memory, press and hold the rotary knob.
On
11 Troubleshooting
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