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Troubleshooting with FINS Response Codes Section 14-6
01 Local node
error
03 Local node send
error
--- Lack of available space in
internal buffers
The load (traffic) on the Ether-
net Unit is too heavy. Check
your user applications.
05 Node address set-
ting error
Local IP
address
The network cannot be
used because the IP
address setting is incor-
rect.
Correct the local IP address.
07 Local node busy
(send failed)
System load Lack of available space in
internal buffers
The load (traffic) on the Ether-
net Unit is too heavy. Check
your user applications.
02 Remote
node error
01 Remote node not in
network
IP address
table and IP
router table
IP address of remote
node not set correctly.
Set IP address of remote
node into IP address table
and, if internetwork transmis-
sion is required, into the IP
router table.
02 No Unit with speci-
fied unit address
Instruction’s
control data
There is no Unit with the
specified unit address.
Check the remote node's unit
address.
05 Response timeout Transfer condi-
tions
(Use FINS
status read
commands.)
Message packet was cor-
rupted by transmission
error.
Increase the number of trans-
mit retry attempts.
Instruction’s
control data
The response monitoring
time is too short.
Set a longer response moni-
toring time.
Read the error
log.
The transmission frame
may be corrupted or the
internal reception buffer
full.
Read out the error log and
correct the system as
required.
03 Unit error
(Controller
error)
01 Communications
controller error
Affected con-
troller’s ERC
indicator
Error occurred in the
communications control-
ler.
Take corrective action, refer-
ring to troubleshooting proce-
dures in this section.
02 PLC error Affected
node’s LED
indicators
CPU Unit error occurred
in the PLC at the remote
node.
Clear the error in the CPU
Unit. (Refer to the PLC's oper-
ation manuals.)
04 Unit number setting
error
Unit number The unit number setting
is incorrect.
Confirm that the unit number
set on the switch is within the
specified range and that the
same unit number is not used
twice in the same network.
04 Service not
supported
01 Unsupported com-
mand
Command
code
The specified command
code is not supported by
the destination Unit.
Check the command code.
FINS header
frame length
A short frame (4 bytes) is
being used for the FINS
header frame.
The EtherNet/IP Unit does not
support short headers.
05 Routing
error
01 Routing table setting
error
Routing tables Remote node is not set in
the routing tables.
Set the destination address in
the routing tables.
02 Routing tables not
registered
Routing tables Destination is unknown
because there are no
routing tables.
Set routing tables at the local
node, remote node, and any
relay nodes.
03 Routing table error Routing tables Routing table error Set the routing tables cor-
rectly.
04 Too many relay
points
Network con-
figuration
The maximum number of
network levels (3) was
exceeded in the com-
mand.
Redesign the network, or
reconsider the routing tables
to reduce the number of relay
nodes in the command.
Main response
code
Sub response code Item to check Likely cause Corrective action
Value and
meaning
Value and meaning