Omron CS1W-RPT01, CVM1-CLK21, CJ1W-CLK21-V1, C200HW-CLK21, CQM1H-CLK21, CS1W-CLK21-V1 284

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 Bus Connection Unit	Tighten the mounting
					has become loose.	screws on the Bus Con-
						nection Unit.
					The Controller Link Unit is	Refer to C200HX/HG/HE
					mounted in the wrong slot.	PLCs and CJ-series PLCs
						and mount the Unit cor-
						rectly.
					The Controller Link Unit is	If the indicators do not light
					faulty.	when the Unit is mounted
						on another PLC, replace
						the Controller Link Unit.
	Lit	Lit	---	Not lit	The node address is out-	Reset the node address to
					side the setting range.	within the 1 to 32 range.
					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.
	Lit	---	Lit	---	Routing table setting error	Remake and set the rout-
					or a Routing Table Enable	ing table correctly, referring
					Bit setting error.	to 7-4 Setting Routing
						Tables. When no routing
						table is being used, turn
						OFF the Routing Table
						Enable Bit.
					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.

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