Delta 1.07 VFD-D D - Manual (Page 118)

Chapter 5 Troubleshooting |DD Series
5-13
5-12 Motor Run Error
Check if V/f characteristic
and torque compensation
is suitable
No
Yes
Yes
Yes
Yes
No
No
No
Adjust
and lower torque compensation V/f characteristic
Run in low speed continuously
If load is too large
Please use specific motor
Reduce load or increase the
capacity of AC motor drive
Check if output voltage of U, V W
is balanced
Motor has malfunction
Maybe AC motor drive has malfunction or misoperation
due to noise. Please contact DELTA.
Motor does not run
as expected