Omron CS1W-CLK21-V1, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, C200HW-CLK21, CQM1H-CLK21 288

Troubleshooting Using Indicators						Section 9-1
	• Setting hardware switches.
		Indicators			Probable cause	Probable remedy
	RUN	ERC	ERH	INS
	Lit	Not lit	Not lit	Lit	Unit operating normally;	---
					Network participation nor-
					mal.
	Not lit	Lit	---	---	Controller Link Unit faulty.	If the ERC indicators still
						lights when the Unit is
						mounted on another PLC,
						replace the Controller Link
						Unit.
	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 CVM1 and CV-
					mounted in the wrong slot.	series PLCs and 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 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
					Disable Bit setting error.	to 7-4 Setting Routing
						Tables. When no routing
						table is being used, set the
						Routing Table Enable/Dis-
						able Bit to OFF.
					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.
					The unit number is not set	Reset the Unit number to
					in the range from 0 to 15.	within a range of 0 to 15.
					The same unit number is	Reset so that each unit
					set more than once for the	number is set only once
					same PLC.	within the same PLC
						(including the Expansion
						CPU Backplane.)
					I/O tables have not been	Create I/O tables for the
					created for the PLC or they	PLC correctly.
					are faulty.

288