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1 trip display, 2 protection function list, 3 countermeasure for a trip state – Hitachi SJ2-CO User Manual

Page 25

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CHAPTER6 COUNTERMEASURE FOR ABNORMALITY

21

6.1 Trip display

When the inverter is in a tripped state, the inverter displays an error code (See table below). The trip history
monitor (d081 to d086) also displays the same error code as the inverter.

6.2 Protection function list

The table below describes an error code for protecting the inverter and the motor.

No.

Function

Error
Display

Action

1

Network option’s
communication error

E70

This error is displayed, disconnection occurs when timeout is
occurred, while the inverter is operating with CANopen. (Trip
is caused by P045 setting)

2

External trip

E12

This error is displayed, when Halt is set to 1 toward control
word(Index:6040h) in BIT8(Halt).

With regard to the other errors except table above, refer to Inverter instruction manual chapter 4
Explanation of function.

6.3 Countermeasure for a trip state

The table below only corresponds to additional trip codes, with regard to the other countermeasures refer to
Inverter instruction manual chapter 4 Explanation of function.

Trip
code

Name of trip

Cause

Conformation

Countermeasure

Baud

rate

is

different.

Check Baud

rate

Install correct Baud rate and
then reset the power supply.

Wiring distance does
not match with Baud
rate

Check the wiring
distance

Adjust the setting to the
matching Baud rate.
Adjust Wiring distance.

Defective connector
for

signal

cable

causes

connection

fail.

Check the area of
connection.

Improve the connection and
then reset the power supply.

E70

CANopen

Communication
error

Terminating resistor
is not connected.

Check the
Connection

Connect the terminating
Resistor and then reset the
power supply

E12

External
Trip

Control
word(Index:6040h)
Bit8:Halt

Check as mentioned
left.

Set Halt to 0 toward Control
word(Index:6040h)Bit8(Halt).

Trip