•
Too low a supply voltage
•
AC drive internal fault
•
A defective input fuse
•
The external charge switch is not closed.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
•
If there is a temporary supply voltage break, reset the fault and start the drive again.
•
Do a check of the supply voltage. If the supply voltage is sufficient, there is an internal fault.
•
Ask instructions from the local distributor.
12.10.43 Fault 9 - Undervoltage, Subcode S2 - No data from power unit
Cause
The DC-link voltage is lower than the limits.
•
Too low a supply voltage
•
AC drive internal fault
•
a defective input fuse
•
the external charge switch is not closed.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
•
If there is a temporary supply voltage break, reset the fault and start the drive again.
•
Do a check of the supply voltage. If the supply voltage is sufficient, there is an internal fault.
•
Ask instructions from the local distributor.
12.10.44 Fault 9 - Undervoltage, Subcode S3 - Undervoltage control supervision
Cause
The DC-link voltage is lower than the limits.
•
Too low a supply voltage
•
AC drive internal fault
•
A defective input fuse
•
The external charge switch is not closed.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
•
If there is a temporary supply voltage break, reset the fault and start the drive again.
•
Do a check of the supply voltage. If the supply voltage is sufficient, there is an internal fault.
•
Ask instructions from the local distributor.
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909| 143
Danfoss A/S © 2019.11
Summary of Contents for VACON NXP FI10
Page 1: ...Operating Guide VACON NXI Inverters FI9 FI14...
Page 2: ......