Omron C200HW-CLK21, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1, CQM1H-CLK21, CS1W-CLK21-V1 286

Troubleshooting Using Indicators				Section 9-1
	Indicators		Probable cause	Probable remedy
	LNK	M/A
	Lit	---	Data link operating normally.	---
	Flashing	---	There is an error in the data	If the ERH indicator is lit, reset
			link tables.	the data link tables.
			When manual setting is used,	Refer to 5-2-2 Manual Setting
			either data link tables have not	and set data link tables for the
			been created for the startup	startup node.
			node or there is an error in the
			data link tables.
			When automatic setting is	Refer to 5-2-4 Automatic Set-
			used, either the data link	ting and set the automatic
			parameters for the startup	parameters for starting the
			node have not been set or	data links.
			there is an error in the data link
			tables.
			Automatic setting is used with	Use a Controller Link Unit that
			1:N allocations, but the device	supports automatic data link
			does not support this function.	creation with 1:N allocations.
				Refer to Automatic Setting on
				page 129 for details.
	Not lit	Lit	Manually set data links are	Stop the manually set data
			already operating on the same	links that are operating and
			Network.	restart the data links.
	Not lit	Not lit	Automatically set data links	Stop the automatically set data
			are already operating on the	links that are operating and
			same Network.	restart the data links.
			There is an error in the startup	Refer to the PLC’s operation
			node PLC.	manual and correct the error. If
				the error reoccurs, replace the
				PLC.
Node Cannot Participate
	The following table describes the LNK and M/A indicators when a node can-
in Data Link	not participate in the data links.

Data link participation depends on the Controller Link Unit operating normally and participating in the Network. Refer to Troubleshooting with RUN, ERC, ERH and INS Indicators earlier in this section and check Unit operation before using the following table.

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