Chapter 4 explanation of functions – Hitachi SJ700-2 User Manual

Page 209

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Chapter 4 Explanation of Functions

4 - 146

List of inverter trip factors

Upper part of trip factor code (indicating the factor)

Lower part of trip factor code (indicating the inverter

status)

Name Code Name Code

No trip factor

0

Resetting

0

Overcurrent protection during constant-
speed operation

1 Stopping

1

Overcurrent protection during deceleration

2

Decelerating

2

Overcurrent protection during acceleration 3

Constant-speed

operation

3

Overcurrent protection during stopping

4

Accelerating

4

Overload protection

5

Operating at zero frequency

5

Braking resistor overload protection

6

Starting

6

Overvoltage protection

7

DC braking

7

EEPROM error

8

Overload restricted

8

Undervoltage protection

9

SON or FOC operation in progress

9

CT error

10

CPU error

11

External trip

12

USP error

13

Ground-fault protection

14

Input overvoltage protection

15

Instantaneous power failure protection

16

Power-module temperature error (with the
fan stopped)

20

Power-module temperature error

21

Gate array communication error

23

Phase loss input protection

24

Main circuit error

25

IGBT error

30

Thermistor error

35

Braking error (added)

36

Emergency stop error

37

Electronic thermal protection at low speeds

38

Easy sequence error (invalid instruction)

43

Easy sequence error (invalid nesting count)

44

Easy sequence execution error 1

45

Easy sequence user trip 0 to 9

50 to 59

Option 1 error 0 to 9

60 to 69

Option 2 error 0 to 9

70 to 79

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