INVT Goodrive 300 Operation Manual page 231

inverters
Goodrive300
8.6.8 Overcurrent
Decrease the torque
boost
Adjust the V/F curve
Set right
V/F vibration control
parameters
Y
e
Check if the torque
s
boost is too big
N
o
Y
e
Check if the multi-dots
s
V/F curve is set rightly
N
o
Y
Check if there is
e
abnormal vibration to
s
the motor
N
o
If the 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 there is connected with the
earth.
N
o
Check if the motor is
short circuited to the
earth
N
o
Check if the motor type and
parameters are right
Y
e
s
Check if it needs
parameters autotune
Y
e
s
Check if the ACC/DEC
time is too short
N
o
Check if the load is too
heavy
N
o
Check if there is
interference source
N
o
Y
e
Check if it is V/F
s
control
N
o
Check if the parameter of current
loop and speed loop are right
Y
e
s
If the it is the inverter
fault, please contact with
our company
230
Fault tracking
Y
Settle the short circuit
e
problem and configure
s
the motor cables rightly
Y
e
Change the motor
s
N
Set right motor type and
o
parameters
N
o
Parameters autotune
Y
e
Adjust the ACC/DEC
s
time
Y
Reduce the load and
e
increase the capacity of
s
the inverter
Y
e
Clear the interference
s
source
N
Set right parameters of
o
current loop and speed
loop