Vfd Overheating - Kruger Ecowatt K320 Series Operation Manual

Ecowatt Drive K320 series
®

7.6.6 VFD overheating

VFD overheating
Whether the load is too
heavy or the capacity of
the VFD is too small?
No
Whether the ambient
temperature is too
high?
No
Whether the fan of
the VFD emits an
unusual sound?
No
Whether the heat sink
is blocked?
No
Whether the carrier
frequency is too high?
No
If it is a VFD fault,
contact us
Reduce the load and
Yes
increase the capacity
of the inverter
Yes
Add a cooling device
or derate the VFD
Yes
If it is a VFD fault,
contact us
Clean the heat sink to
Yes
improve the cooling
conditions
Yes
Reduce the carrier
frequency
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Troubleshooting