INVT Goodrive300 Series Operation Manual page 206

Goodrive300 Series VFD
8.6.8 Overcurrent
Decrease the torque
boost
Adjust the V/F curve
Set right
V/F vibration control
parameters
Yes
Check if the torque
boost is too big
No
Yes
Check if the multi-dots
V/F curve is set rightly
No
Check if there is
Yes
abnormal vibration to
the motor
No
If it is the VFD fault,
contact our company
Overcurrent
Check if UVW is short
circuited to the earth
Remove the motor cable and
ensure if there is connected
with the earth.
No
Check if the motor is
short circuited to the
earth
No
Check if the motor type and
parameters are right
Yes
Check if it needs
parameters autotune
Yes
Check if the
ACC/DEC time is too
short
No
Check if the load is
too heavy
No
Check if there is
interference source
No
Yes
Check if it is V/F
control
No
Check if the parameter of
current loop and speed loop
are right
Yes
If it is the VFD fault,
contact our company
201
Fault tracking
Settle the short circuit
Yes
problem and configure
the motor cables rightly
Yes
Change the motor
No
Set right motor type
and parameters
No
Parameters autotune
Yes
Adjust the ACC/DEC
time
Reduce the load and
Yes
increase the capacity of
the VFD
Yes
Clear the interference
source
Set right parameters of
No
current loop and speed
loop