8.1.5
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.
When one of the following codes is displayed and the hybrid system
cannot restart automatically, contact a maintenance technician.
Tab.39
Code
Description
A00.32
Outside temperature sensor is either removed or measures a temperature below range
A00.33
Outside temperature sensor is either shorted or measures a temperature above range
A00.34
Outside temperature sensor was expected but not detected
A00.73
Buffer Tank Outside temperature sensor was expected but not detected
A02.00
Reset In Progress
A02.15
External CSU Timeout
A02.18
Object Dictionary Error:
A02.37
Uncritical device has been disconnected:
A02.54
OpenTherm ASK warning
A10.08
Outside Temperature Zone A missing
A10.17
Outside Temperature Zone B missing
A10.26
Outside Temperature Zone C missing
A10.35
Outside Temperature Zone D missing
A10.44
Outside Temperature Zone E missing
A10.45
Measure of Room Temperature Zone A is missing
A10.46
Measure of Room Temperature Zone B is missing
A10.47
Measure of Room Temperature Zone C is missing
A10.50
Domestic hot water temperature sensor top zone D is missing
A10.54
Domestic hot water temperature sensor zone D is missing
A10.56
Domestic hot water temperature sensor zone E is missing
8.2
Accessing the error memory
The error and fault codes are listed together in the memory.
1. Access the menus by pressing the two keys on the right
simultaneously.
2. Select the Malfunction menu by pressing the
key.
3. Select the PCB by pressing the or key. The icon appears.
Confirm the PCB selection by pressing the
key: the PCB name
appears.
Important
The Er:xxx parameter flashes. 000 corresponds to the number of
stored errors.
4. Go to the error details by pressing the
key.
Fig.45
MW-2000369-1
Fig.46
MW
-5
0
0
0
0
1
1
-3
Fig.47
MW
-1
0
0
0
6
8
9
-1
8 Troubleshooting
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iHPI
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