1 trip display, 2 protection function list, 3 countermeasure for a trip state – Hitachi SJ2-CO User Manual
Page 25
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