3-145
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-1 Errors by Source
3
3-1-9 Errors in CJ-series Units
The following table lists the events that can occur for an EtherNet/IP Unit with the following model num-
ber.
CJ1W-EIP21
CJ-series EtherNet/IP Unit
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
047A0000 hex Unit Memory
Error (Device
Error)
An error occurred
when writing to the
error history or
device parameters
in non-volatile
memory in the Eth-
erNet/IP Unit.
• There is a source of noise
nearby.
• Non-volatile memory failure
S CJ-series Eth-
erNet/IP Units
Operation
Manual for NJ-
series CPU
Unit (Cat. No.
W495)
047B0000 hex Non-volatile
Memory
Error
An error occurred in
non-volatile mem-
ory.
• There is a source of noise
nearby.
• Non-volatile memory failure
S Same as
above.
047C0000 hex Communica-
tions Control-
ler Error
An error occurred in
the communica-
tions controller.
• Noise
• Communications Controller
hardware error
S Same as
above.
14840000 hex Invalid Com-
munications
Parameter
An error was found
in the validation
check of the param-
eters for tag data
links that are saved
in non-volatile
memory.
• The power was interrupted dur-
ing a download.
• A communications error
occurred during a download.
• Non-volatile memory failure
S Same as
above.
14850000 hex Tag Data-
base Error
A tag database
error occurred in
the CPU Unit when
using variables for
tag data links, sta-
tus layout, etc.
• The power was interrupted dur-
ing a download.
• A communications error
occurred during a download.
S Same as
above.
34A80000 hex Verification
Error
The information
registered for a tar-
get node in the tag
data link parame-
ters is different from
the actual node
information.
• The specified target does not
exist.
• Variable names do not match.
• The connection size is incor-
rect.
• Insufficient connection
resources
S Same as
above.
34A90000 hex Tag Data Link
Error
There were two or
more errors in a
connection
as an
originator
. The fol-
lowing are
excluded.
• Connections as a
target
• Connection time-
outs due to a Link
OFF Error with
the Ethernet
switch
• The power supply to the target
node is OFF.
• Communications with the target
node stop.
• The Ethernet cable for Ether-
Net/IP is disconnected.
• The Ethernet cable for Ether-
Net/IP is disconnected.
• Noise
S Same as
above.
34AA0000 hex Tag Refresh
Error
An unsupported
data area or
address range is
specified for the tag
data links.
• An unsupported data area or
address range was specified for
the tag data links.
S Same as
above.
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