Overheat Of The Vfd - INVT Goodrive35 Series Operation Manual

Goodrive35 Series Closed-loop Vector Control VFD

8.6.6 Overheat of the VFD

8.6.7 Motor stall during ACC
If it is a VFD fault or
No
interference, please
contact with our
company
VFD overheating
Check if the load is too heavy
Or the capacity of the VFD
is too low
Check if the ambient
temperature is too
high
Check if there is
abnormal noise to the
fan of the VFD
Check if the heat sink
is jammed
Check if the carrier
frequency is too high
If it is a VFD fault, please
contact with our
company
Reduce the torque of the
Yes
load and increase the
过电流
capacity of the VFD
Yes
Check if the torque
boost is too high
Yes
Modify the torque boost
Decrease the load and
Yes
increase the capacity of
the VFD
No
Yes
Add heat-releasing
device or derate the VFD
No
If the it is a VFD fault,
Yes
please contact with our
company
No
Yes
Clean the heat sink and
improve the condition
No
Yes
Reduce the carrier
frequency
No
Speed loss occurs to the
VFD during ACC
Yes
Check if the ACC time
is too short
No
Yes
Check if the voltage between 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
Yes
If it is a VFD fault or
interference, please
contact with our
company
209
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
Fault tracking
Contact with our
company