
12.10.16 Fault 8 - System fault, Subcode S9 - Power unit communication (TX)
Cause
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
12.10.17 Fault 8 - System fault, Subcode S10 - Power unit communication (Trip)
Cause
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
12.10.18 Fault 8 - System fault, Subcode S11 - Power unit comm. (Measurement)
Cause
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
12.10.19 Fault 8 - System fault, Subcode S12 - System bus fault (slot D or E)
Cause
Error in system bus option board (OPTD1 or OPTD2) in slot D or E.
•
operation malfunction
•
defective component
Troubleshooting
•
Reset the fault and start the drive again.
•
If the fault shows again, ask instructions from the local distributor.
•
Check the cables and connections.
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909| 137
Danfoss A/S © 2019.11
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