Danfoss VACON NX FI4, Руководство по эксплуатации

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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