Vfd Overheating; Motor Stalls During Acc - INVT Goodrive390L Series User Manual

Goodrive390L Series Lift-Dedicated VFD

8.3.6 VFD overheating

8.3.7 Motor stalls during ACC

If the it is the VFD fault
No
or interference, please
contact us
202403 (V1.0）
VFD overheating
The load is too heavy or the
capacity of the VFD is too low?
No
Check if the ambient
temperature is too
high
No
Check if there is
abnormal noise to
the fan of the VFD
No
Check if the heat sink
is jammed
No
Check if the carrier
frequency is too high
No
If the it is the VFD fault,
please contact us
Reduce the torque of
Yes
the load and increase 过电流
the capacity of the VFD
Yes
Check if the torque
boost is too high
Yes
Modify the torque
boost
Reduce the load and
Yes
increase the capacity of
the VFD
Add heat-releasing
Yes
device or derate the
Yes
If the it is the VFD fault,
please contact us
Yes
Clean the heat sink and
improve the condition
Yes
Reduce the carrier
frequency
Speed loss occurs to
the VFD during ACC
Yes
Check if the ACC time
is too short
No
Check if the voltage between Yes
the terminals is among the
range
No
Yes
Check if the load and
inertia is too big
No
Check if the load
torque is too big
No
Check if it is V/F
control
No
No
Check if it performs
parameter autotune
Y
e
s
If the it is the VFD fault or
interference, please
contact us
Troubleshooting
VFD
Increase the ACC time
Thicken the motor cables and shorten
the configuration distance and adjust
the voltage of the reactor
Yes
Check if the motor is
special
No
Reduce the inertia of
the load and increase
the capacity of the VFD
Overcurrent
Contact us
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