DeDietrich HPI S Series User Manual page 25

Tab.23 List of blocking codes linked to the SCB-10 PCB
Code Message
H00.69 TbufferTankOpen
H00.70 TbufferTankClosed
H00.71 TbufferTankTopOpen
H00.72 TbufferTankTopClosed
H00.74 TBufferTankMissing
H00.75 TBufferTankTop Miss
H00.76 TcascadeFlow Open
H00.77 TcascadeFlow Closed
H00.78 TcascadeFlow missing
H02.02 Wait Config Number
H02.03 Conf Error
H02.04 Parameter Error
H02.05 CSU CU mismatch
H02.16 Int CSU Timeout
H02.36 Funct device lost
H02.40 Function unavailable
H02.45 Full Can Conn Matrix
H02.46 Full Can Device Adm
H02.47 Failed Conn Funct Gr
H02.48 Funct Gr Conf Fault
H02.49 Failed Init Node
H02.55 Inval or miss SerNR
H02.61 Unsupported function
H02.62 Unsupported function
H02.63 Unsupported function
H02.64 Unsupported function
H02.65 Unsupported function
H02.66 TAS not connected
H02.67 TAS short-circuit
H10.00 T Flow Zone A Open
H10.01 T Flow Zone A Closed
H10.02 T Dhw Zone A Open
H10.03 T Dhw Zone A Closed
H10.04 TSwimmPoolZoneA Open
H10.05 TSwimmPoolZoneAClose
H10.09 T Flow Zone B Open
H10.10 T Flow Zone B Closed
H10.11 T Dhw Zone B Open
H10.12 T Dhw Zone B Closed
H10.13 TSwimmPoolZoneB Open
7684505 - v04 - 10022022
When one of the codes below is displayed, contact the professional
responsible for maintenance of the heat pump.
Description
Buffer Tank temperature sensor is either removed or
measures a temperature below range
Buffer Tank temperature sensor is either shorted or measures
a temperature above range
Buffer Tank top temperature sensor is either removed or
measures a temperature below range
Buffer Tank top temperature sensor is either shorted or
measures a temperature above range
Buffer Tank temperature sensor was expected but not
detected
Buffer Tank Top temperature sensor was expected but not
detected
Cascade Flow temperature sensor is either removed or
measures a temperature below range
Cascade Flow temperature sensor is either shorted or
measures a temperature above range
Cascade Flow temperature sensor was expected but not
detected
Waiting For Configuration Number
Configuration Error
Parameter Error
CSU does not match CU type
Internal CSU Timeout
Functional device has been disconnected
Function unavailable
Full Can Connection Matrix
Full Can Device Administration
Failed Connecting Function Groups
Function Group Configuration Fault
Failed Initialising Node
Invalid or missing device serial number
Zone A doesn't support the selected function
Zone B doesn't support the selected function
Zone C doesn't support the selected function
Zone D doesn't support the selected function
Zone E doesn't support the selected function
The anti corrosion protection (TAS) of the Domestic Hot Water
tank is not connected
The anti corrosion protection (TAS) of the Domestic Hot Water
tank is shortend
Flow temperature sensor Zone A Open
Flow temperature sensor Zone A Closed
Domestic Hot Water temperature sensor Zone A Open
Domestic Hot Water temperature sensor Zone A Closed
Swimming Pool Temperature Sensor Zone A Open
Swimming Pool Temperature Sensor Zone A Closed
Flow temperature sensor Zone B Open
Flow temperature sensor Zone B Closed
Domestic Hot Water Temperature Sensor Zone B Open
Domestic Hot Water temperature sensor Zone B Closed
Swimming Pool Temperature Sensor Zone B Open
6 Troubleshooting
MIT-S 25