Danfoss VACON NX FI6 Operating Manual page 141

Operating Guide | VACON® NX Inverters FI4-FI8
This fault is type A fault (Alarm).
Troubleshooting
If the fault occurs again, ask instructions from the local distributor.
12.10.59 Fault 18 - Unbalance, Subcode S2 - DC voltage unbalance
Cause
Unbalance between power modules in paralleled power units.
This fault is type A fault (Alarm).
Troubleshooting
If the fault occurs again, ask instructions from the local distributor.
12.10.60 Fault 19 - Current overload
Cause
Motor current overload warning.
Troubleshooting
Ask instructions from the local distributor.
12.10.61 Fault 22 - Parameter fault, Subcode S1 - Firmware interface power down variable checksum
error
Cause
Parameter save fault.
• Operation malfunction
• defective component
Troubleshooting
If the fault occurs again, ask instructions from the local distributor.
12.10.62 Fault 22 - Parameter fault, Subcode S2 - Firmware interface variable check sum error
Cause
Parameter save fault.
• Operation malfunction
• defective component
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Specifications
AQ299433367205en-000101 / DPD00908| 141