Troubleshooting
•
Check the motor and the load.
•
Insufficient motor power, check motor stall protection parameterization.
12.10.56 Fault 16 - Motor overtemperature
Cause
There is too heavy a load on the motor.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
•
Decrease the motor load.
•
If there is no motor overload, do a check of the temperature model parameters.
12.10.57 Fault 17 - Motor underload
Cause
Motor underload protection has tripped.
It is possible to set different responses in the application for this fault. See parameter group Protections.
Troubleshooting
•
Check the load.
•
Check underload protection parameterization.
12.10.58 Fault 18 - Unbalance, Subcode S1 - Current 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.
12.10.59 Fault 18 - Unbalance, Subcode S2 - DC voltage unbalance
Cause
Unbalance between power modules in paralleled power units.
This fault is type A fault (Alarm).
Specifications
Operating Guide | VACON® NXI Inverters FI9-FI14
AQ304441431479en-000101 / DPD00909| 147
Danfoss A/S © 2019.11
Summary of Contents for VACON NXP FI10
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