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11 Fault Tracing
11.1 Faults and Alarms
11.1.1 Fault 1 - Overcurrent, Subcode S1 - Hardware trip
Cause
There is too high a current 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
Check the load.
Check the motor.
Check the cables and connections.
Make an identification run.
11.1.2 Fault 1 - Overcurrent, Subcode S2 - Current cutter supervision (VACON® NXS)
Cause
There is too high a current 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
Check the load.
Check the motor.
Check the cables and connections.
Make an identification run.
11.1.3 Fault 1 - Overcurrent, Subcode S3 - Current limit controller supervision
Cause
There is too high a current 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
Check the load.
Check the motor.
Check the cables and connections.
Make an identification run.
11.1.4 Fault 1 - Overcurrent, Subcode S4 - Software-based overcurrent fault
Cause
There is too high a current 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
AB296635287482en-000301 / DPD00903 | 327
Danfoss A/S © 2023.02
Fault Tracing
VACON® NX All-in-One
Application Guide
Содержание VACON NX
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