211
8.6.8 Overcurrent
If the it is the inverter
fault, please contact with
the company
Set right
V/F vibration control
parameters
Clear the interference
source
Check if the multi-dots
V/F curve is set rightly
Adjust the ACC/DEC
time
Check if there is
interference source
Parameters autotune
Check if the ACC/DEC
time is too short
Set right motor type and
parameters
Check if it needs
parameters autotune
Change the motor
Check if the motor is
short circuited to the
earth
Settle the short circuit
problem and configure
the motor cables rightly
Overcurrent
Check if the motor type and
parameters are right
Check if there is abnormal
vibration to the motor
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Reduce the load and
increase the capacity of
the inverter
Check if the load is too
heavy
Check if UVW is short circuited
to the earth. Remove the motor
cable and ensure if there is
connected with the earth.
No
Adjust the V/F curve
Yes