Delta 1.07 VFD-D D User Manual download pdf (Page 125)

Chapter 6 Fault Codes and Descriptions |DD Series

6-4

Display Description Corrective Actions

Hardware failure in current

detection (Isum)

U-phase error

V-phase error

W-phase error

Re-apply power and try again. If fault still

occurs, please return it to the factory.

CC current clamp

OC hardware error

OV hardware error

Re-apply power and try again. If fault still

occurs, please return it to the factory.

Auto tuning error

1. Check cabling between drive and

motor

2. Check the motor capacity and

parameters settings

Retry again

PG feedback error

When the setting is in PG feedback control

mode, check if the value of Pr.03-00 is not

PG feedback loss Check the wiring of PG feedback.

PG feedback stall

PG slip error

1. Check the wiring of the PG feedback

2. Check if the setting of PI gain and

deceleration is suitable

3. Return to the factory

External fault

1. When external terminal EF is closed

(N.O), the AC motor drive will stop

output.

2. After fault is cleared, press RESET.

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Delta 1.07 VFD-D D User Manual Page 125