Hitachi SJ700-2 Series service manual Adjust

Name	Description			Display on	Display on remote		Troubleshooting and corrective action
			digital operator			operator
	The inverter detects errors in the option						Check whether the option board is
	board mounted in the optional slot 2.				OP2-0		mounted correctly.
Option 2	For details, refer to the instruction						(Check the board mounting.)
				to
	manual for the mounted option board.						Check whether the option board is used
error							correctly.
					OP2-9		(Check the instruction manual for the
							option board.)
	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.
Empty trip	If the inverter has not tripped before,the
history	inverter displays	.				？

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