12.9.3 DC Link Capacitance
Table 37: DC Link Capacitance
Structure
NXI_5 / mF
NXI_ 6 / mF
FI4 0003–0007
165
–
FI4 0009–0012
235
FI6
1000
500
FI7
1650
900
FI8
3300
1800
12.10 Faults and Alarms
12.10.1 Fault 1 - Overcurrent, Subcode S1- Hardware trip
Cause
There is too high a current (>4*I
H
) in the motor cable. Its cause can be 1 of the following:
•
a sudden heavy load increase
•
a short circuit in the motor cables
•
the motor is not the correct type
Troubleshooting
•
Do a check of the loading.
•
Do a check of the motor.
•
Do a check of the cables and connections.
•
Make an identification run.
12.10.2 Fault 1 - Overcurrent, Subcode S3 - Current limit controller supervision
Cause
There is too high a current (>4*I
H
) in the motor cable. Its cause can be 1 of the following:
•
a sudden heavy load increase
•
a short circuit in the motor cables
•
the motor is not the correct type
Troubleshooting
•
Do a check of the loading.
•
Do a check of the motor.
•
Do a check of the cables and connections.
•
Make an identification run.
Specifications
Operating Guide | VACON® NX Inverters FI4-FI8
AQ299433367205en-000101 / DPD00908
126 | Danfoss A/S © 2019.07
Summary of Contents for VACON NX FI4
Page 1: ...Operating Guide VACON NX Inverters FI4 FI8...
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