Omron CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, C200HW-CLK21, CQM1H-CLK21, CS1W-CLK21-V1 277

Troubleshooting Using Indicators						Section 9-1
		Indicators			Probable cause	Probable remedy
	RUN	ERC	ERH	INS
	Not lit	Not lit	Not lit	Not lit	Power is not being sup-	Check the power supply
					plied correctly to the PLC.	voltage and supply at the
						recommended voltage.
					The Controller Link Unit	Secure the Controller Link
					has become loose.	Unit firmly.
					The Controller Link Unit is	Refer to CS-series PLCs
					mounted in the wrong posi-	or CJ-series PLCs and
					tion.	mount the Unit correctly.
					The Controller Link Unit is	If the indicators do not light
					faulty.	when the Unit is mounted
						in another PLC, replace
						the Controller Link Unit.
	Lit	Lit	---	Not lit	The same node address is	Reset so that each node
					being used by two different	address is used only once
					Units.	within the same Network.
					The Unit is connected to a	Check the Network and
					SYSMAC LINK Network	reconnect cables correctly.
					(Optical Units only).
	Lit	---	Lit	---	Routing table setting error	Remake and set the rout-
						ing table correctly, referring
						to 7-4 Setting Routing
						Tables. When no routing
						table is being used, delete
						the routing table.
					The Unit is mounted to a	Refer to 1-2-4 Controller
					non-compatible PLC.	Link Unit Models and PLCs
						and reinstall the Unit on
						the appropriate PLC.
					An error has occurred in	Refer to the PLC’s opera-
					the PLC.	tion manual and correct
						the error. If the error occurs
						again, replace the PLC.
					EEPROM error	Refer to 9-2 Status Area
						and Troubleshooting, cor-
						rect the data where the
						error has occurred, and
						reset the Unit. If the error
						occurs again, replace the
						Controller Link Unit.
					Two Units connected to the	Reset so that Units con-
					same PLC have the same	nected to the same PLC
					unit number.	(including the CPU Expan-
						sion Racks), do not have
						the same unit number.
					Either there is an error in	Create a correct I/O table
					the PLC I/O table or no	for the PLC.
					table has been created.

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