Hitachi SJ700-2 instruction manual Adjust

Chapter 5 Error Codes

Name	Description		Display on	Display on remote	Troubleshooting and corrective action	Reference
		digital operator		operator		page
	The inverter detects errors in the option				Check whether the option board is	Refer to the
	board mounted in the optional slot 2.			OP2-0	mounted correctly.	instruction
Option 2	For details, refer to the instruction				(Check the board mounting.)
	manual for the mounted option board.		to		Check whether the option board is used	manual for
error					correctly.	the SJ-FB,
				OP2-9	(Check the instruction manual for the	SJ-DG, or
					option board.)	SJ-DN.
	If the input voltage falls, the inverter will				Check whether the power supply voltage
	shut off its output, display the code				has fallen.
	shown on the right, and wait for the				(Recover the power supply.)
Waiting in	recovery of the input voltage.				Check the MCB and magnetic contactors
	The inverter will display the same error			UV.WAIT	for poor contacts.	-
undervoltage	code also during an instantaneous				(Replace the MCB and magnetic
status	power failure.				contactors.)
	(remark) Inverter trips with under				Check whether the voltage across the P
	voltage when this status continues for				and N terminals is normal.
	40 seconds.				(Check the voltage across the P and N
					terminals.)
	If a problem occurs in the				Check whether the relay plug is fitted
Communica-	communication between the digital			R-ERROR COMM<1>	correctly.
	operator and inverter, the inverter will				(Check the relay plug for connection.)	-
tion error	display the code shown on the right.			R-ERROR COMM<2>	Check whether the digital operator is
					connected correctly.
					(Check the digital operator for connection.)
	When the retry after instantaneous
Waiting for	power failure or tripping has been			RESTART
	enabled, the inverter displays the code					-
retry	shown on the right while awaiting retry
	after an instantaneous power failure or			ADJUST
	tripping.
Power-off	The inverter displays the code shown					-
	on the right when the inverter power is			POWER OFF
	turned off.
	When an operation direction has been
Restricted	restricted by the setting of "b035", the
operation	inverter will display the error code			RUN.CMD DISABLE		-
	shown on the right if the operation
command
	command specifying the restricted
	operation direction is input.

5 - 4