Overcurrent - INVT Goodrive 310-UL Series Operation Manual

GD310-UL 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 the 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 the it is the VFD fault,
contact our company
-183-
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