Name: Delta Electronics VFD-DD Series
Brand: Delta Electronics
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Chapter 5 Troubleshooting |DD Series

5-13

5-12 Motor Run Error

Check if V/f characteristic

and torque compensation

is suitable

Yes

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

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Delta Electronics VFD-DD Series Specifications

General