Hitachi SJ2-CO Trip display, Protection function list, Countermeasure for a trip state

CHAPTER6 COUNTERMEASURE FOR ABNORMALITY

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.

Trip

6.2 Protection function list

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

No.	Function	Error	Action
		Display
1	Network option’s	E70	This error is displayed, disconnection occurs when timeout is
	communication error		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

E70	CANopen	Baud		rate	is	Check Baud	Install correct Baud rate and
	Communication	different.				rate	then reset the power supply.
	error	Wiring distance does				Check the wiring	Adjust the setting to the
		not match with Baud				distance	matching Baud rate.
		rate					Adjust Wiring distance.
		Defective		connector		Check the area of	Improve the connection and
		for	signal		cable	connection.	then reset the power supply.
		causes		connection
		fail.
		Terminating resistor				Check the	Connect the terminating
		is not connected.				Connection	Resistor and then reset the
							power supply
E12	External	Control				Check as mentioned	Set Halt to 0 toward Control
	Trip	word(Index:6040h)				left.	word(Index:6040h)Bit8(Halt).
		Bit8:Halt

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