Abnormal Motor Heat; Vfd Overheating - INVT Goodrive200A Series Operation Manual

GD200A series VFD

8.6.5 Abnormal motor heat

8.6.6 VFD overheating

Abnormal heat
Check if the parameter
is right or not
Yes
Check if it needs to
carry out parameter
autotune
Yes
No Check if the VFD
runs at low speed
all the time
Yes
Check if it is frequency-
inverting motor
Yes
Check if the load is too
heavy
No
Check if the 3-phase
motor is balance
Yes
Check if the carrier
frequency is too low
No
Check if the motor wire
is too long
No
If the it is the VFD fault,
please contact INVT
VFD overheating
Yes
Check if the load is too heavy
or the capacity of
the VFD is too low
No
Check if the ambient
Yes
temperature is too
high
No
Check if there is
Yes
abnormal noise to the
fan of the VFD
No
Yes
Check if the heat sink
is jammed
No
Yes
Check if the carrier
frequency is too high
No
If the it is the VFD fault,
please contact INVT
-119-
Set right
No
motor
parameters
No
Parameter
autotune
No
Select right
motor
Yes
Low the load
No
Change the
motor
Set proper
Yes
carrier
frequency
Yes
Add output
filter
Reduce the load and
increase the capacity of
the VFD
Install heat-releasing
device or derate the VFD
If the it is the VFD fault,
please contact the
company
Clean the heat sink and
improve the condition
Reduce the carrier
frequency
Fault tracking