DRV-28 inverter
s Troubleshooting
-242-
7.6.5 Unusual heating of motor
Unusual heating of the
motor
Set the motor
parameters
correctly
Whether parameter
autotuning is
performed?
Parameter
autotune
Whether the inverter runs
at a low speed all the time?
Use a variable-
frequency motor
Reduce the
load
Replace the
motor
Set the carrier
frequency
properly
Add an output
filter
If it is an inverter fault,
contact our company
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
No
Yes
Whether the motor
parameters are set
correctly?
Whether it is a variable-
frequency motor?
Whether the load is
too heavy?
Whether the three
phases of the motor are
balanced?
Whether the carrier
frequency is too low?
Whether the motor
cable is too long?
No
