Omron CS1W-ETN21 operation manual 224

Troubleshooting with Response Codes				Section 8-5
Main code	Sub-code	Check point	Probable cause	Remedy
03: Communi-	01: Communica-	ERC indicator on	Error occurred in the communi-	Take corrective action, referring
cations con-	tions controller	the Controller	cations controller, ERC indica-	to troubleshooting procedures in
troller error	error		tor is lit.	this section.
	02: CPU Unit	Remote CPU Unit	CPU Unit error occurred in the	Check CPU Unit indicators at the
	error	indicators	PLC at the remote node.	remote node and clear the error
				in the CPU Unit (refer to the PC’s
				operation manuals)
	04: Unit number	Unit number	Unit number setting error	Make sure the unit number is
	setting error			within the specified range and
				that the same unit number is not
				used twice in the same network.
04: Not exe-	01: Unsupported	Command code	An undefined command has	Check the command code and
cutable	command		been used.	be sure the command is sup-
(Service not				ported by the Unit to which you
				are sending it.
supported.)
		FINS header	A short frame (4 bytes) is being	Check the FINS header frame
		frame length	used for the FINS header	length. The Ethernet Unit does
			frame.	not support short headers.
05: Routing	01: Routing table	Routing tables	Remote node is not set in the	Set the destination address in
error	setting error		routing tables.	the routing tables.
	02: Routing	Routing tables	Routing tables aren’t registered	Set routing tables at the local
	tables not regis-		completely.	node, remote node, and any
	tered			relay nodes.
	03: Routing table	Routing tables	Routing table error	Set the routing tables correctly.
	error
	04: Too many	Network configu-	The maximum number of relay	Redesign the network or recon-
	relays	ration	nodes (2) was exceeded in the	sider the routing table to reduce
			command.	the number of relay nodes in the
				command. Communications are
				possible on three network levels,
				including the local network.
10: Com-	01: Command	Command data	The command is longer than	Check the command format of
mand format	too long		the max. permissible length.	the command and set it correctly.
error				Be sure broadcast transmissions
				don’t exceed 1,473 bytes.
	02: Command	Command data	The command is shorter than	Check the command format of
	too short		min. permissible length.	the command and set it correctly.
	03: Element-data	Command data	The designated number of data	Check the number of items and
	mismatch		items differs from the actual	the data, and make sure that
			number in the command data.	they agree.
	05: Header	Command data	Data for another node on the	Check the header parameters in
	parameter error		same network was received	the command data and be sure
			from the network.	the correct command format is
				being used.
			An attempt was made to send
			response data for a broadcast
			address.

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