Chapter 6 Fault Code Information and Maintenance

 

Fault Name

Fault Descriptions

 

Corrective Actions

 

 

Broken fuse

1.

Check whether the fuse of the transistor

 

 

The fuse at DC side

 

module is functioning well

 

 

is broken for 30hp

2.

Check whether the loading side is short-

 

 

and below

 

circuit

 

 

Electronic Thermal

 

 

 

 

Relay 1/2 Protection

 

 

 

 

These two fault codes

1.

Check whether the motor is overloaded.

 

 

will be displayed

 

 

2.

Check whether motor rated current

 

 

when output current

 

 

 

setting (Pr.05-01) is suitable

 

 

exceeds the level of

 

 

 

3.

Check electronic thermal relay function

 

 

over-torque detection

 

 

4.

Take the next higher power AC motor

 

 

(Pr.06-08 or Pr.06-

 

 

 

drive model.

 

 

11) and it is set 2 or 4

 

 

 

 

 

 

 

in Pr.06-06 or Pr.06-

 

 

 

 

09.

 

 

 

 

 

 

 

 

 

Internal EEPROM

1.

Press “RESET” key to the factory setting

 

 

can not be

 

 

2.

Return to the factory.

 

 

programmed.

 

 

 

 

 

 

Internal EEPROM

1.

Press “RESET” key to the factory setting

 

 

can not be read.

2.

Return to the factory.

 

 

Isum error

Re-power on to try it. If fault code is still

 

 

U-phase error

 

 

displayed on the keypad please return to the

 

 

V-phase error

 

 

factory

 

 

W-phase error

 

 

 

 

 

 

CC (current clamp)

Re-power on to try it. If fault code is still

 

 

OC hardware error

 

 

displayed on the keypad please return to the

 

 

OV hardware error

 

 

factory

 

 

GFF hardware error

 

 

 

 

 

 

Auto tuning error

1.

Check cabling between drive and motor

 

 

2.

Retry again

 

 

 

 

 

PID loss (ACI)

1.

Check the wiring of the PID feedback

 

 

2.

Check the PID parameters settings

 

 

 

 

 

PG feedback error

Check if Pr.10-01 is set to 0 when it is PG

 

 

feedback control

 

 

 

 

 

PG feedback loss

Check the wiring of the PG feedback

 

 

PG feedback stall

1.

Check the wiring of the PG feedback

 

 

 

2.

Check if the setting of PI gain and

 

 

PG slip error

 

deceleration is suitable

 

 

 

3.

Return to the factory

 

 

Pulse input error

1.

Check the pulse wiring

 

 

Pulse input loss

2.

Return to the factory

 

 

ACI loss

1.

Check the ACI wiring

 

 

2.

Check if the ACI signal is less than 4mA

 

 

 

 

 

 

1.

Input EF (N.O.) on external terminal is

 

 

External Fault

 

closed to GND. Output U, V, W will be

 

 

 

turned off.

 

 

 

2.

Give RESET command after fault has

 

 

 

 

been cleared.

6-4

Revision August 2008, 03VE, SW V2.04

Page 228 Page 230
Page 229
Image 229
Delta Electronics VFD-VE Series Electronic Thermal Relay 1/2 Protection, Internal Eeprom, Can not be, Programmed, ACI loss
Page 228 Page 230

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