E658130

5.5.9. The details of an error code

The following data are stored as fault history data when the inverter trip occurred.

Error code

Description

 

Decimal

Hexadecimal

Trip display

No.

No.

 

 

0

00H

No error

nerr

 

 

 

 

1

01H

Overcurrent during acceleration

oc1

 

 

 

 

2

02H

Overcurrent during deceleration

oc2

 

 

 

 

3

03H

Overcurrent during constant speed operation

oc3

 

 

 

 

4

04H

Overcurrent

ocl

 

 

(An overcurrent on the load side at start-up)

 

 

 

 

 

5

05H

Overcurrent at start-up

oca

 

 

 

 

8

08H

Input phase failure

ephi

 

 

 

 

9

09H

Output phase failure

epho

 

 

 

 

10

0AH

Overvoltage during acceleration

op1

 

 

 

 

11

0BH

Overvoltage during deceleration

op2

 

 

 

 

12

0CH

Overvoltage during constant-speed operation

op3

 

 

 

 

13

0DH

Inverter overload

ol1

 

 

 

 

14

OEH

Motor overload

ol2

 

 

 

 

15

0FH

Dynamic braking resistor overload trip

olr

 

 

 

 

16

10H

Overheat

oh

 

 

 

 

17

11H

Emergency stop

e

 

 

 

 

18

12H

EEPROM fault 1

eep1

 

 

 

 

19

13H

EEPROM fault 2

eep2

 

 

 

 

20

14H

EEPROM fault 3

eep3

 

 

 

 

21

15H

Main unit RAM fault

err2

 

 

 

 

22

16H

Main unit ROM fault

err3

 

 

 

 

23

17H

CPU fault 1

err4

 

 

 

 

24

18H

Communication error

err5

 

 

 

 

26

1AH

Current detector fault

err7

 

 

 

 

27

1BH

Optional unit fault 1

err8

 

 

 

 

28

1CH

Remote keypad disconnection fault

err9

 

 

 

 

29

1DH

Low-current operation fault

uc

 

 

 

 

30

1EH

Undervoltage fault (main circuit)

up1

 

 

 

 

32

20H

Over-torque trip 1

ot

 

 

 

 

34

22H

Ground fault

ef2

 

 

 

 

40

28H

Auto-tuning error

etn

 

 

 

 

41

29H

Inverter type error

etyp

 

 

 

 

45

2DH

Over speed fault

e-13

46

2EH

Thermal fault stop command from external

oh2

device

 

 

 

 

 

 

 

47

2FH

Step-out (for PM motor drive only)

sout

 

 

 

 

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Image 31
Toshiba E6581830 instruction manual Details of an error code