INVT Goodrive300-19 Series Operation Manual page 202

Goodrive300-19 series open loop vector inverter special for hosit
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 inverter fault,
please contact with our
company
Overcurrent
Check if UVW is short circuited
to the earth
Remove the motor cable and
ensure if it 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 current loop and
speed loop are right
Yes
If it is the inverter fault,
please contact with 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 inverter
Yes
Clear the interference
source
Set right parameters of
No
current loop and speed
loop