Omron SYSMAC CJ1W-EIP21, Operation Manuals

Page: 350 / 438

13 Troubleshooting
13-32
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
The errors that may occur for this Unit are listed below.
The following abbreviations and symbols are used in the event level column.
* This symbol appears only for events for which the user can change the event level.
A version in parentheses in the Event code column is the unit version of the CPU Unit when the event
was added.
Refer to the NJ-series Troubleshooting Manual (Cat. No. W503) for all of the event codes that may
occur in an NJ-series Controller.
13-5-2 Error Table
Abbreviation Name
Maj Major fault level
Prt Partial fault level
Min Minor fault level
Obs Observation
Info Information
Symbol Meaning
S Event levels that are defined by the system.
U Event levels that can be changed by the user.*
Event code Event name Meaning Assumed cause
Level
Reference
Maj Prt Min Obs Info
047A 0000 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 page 13-36
047B 0000 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 page 13-37
047C 0000 hex Communica-
tions Control-
ler Error An error occurred in
the communica-
tions controller. • Noise
• Communications Controller
hardware error
S page 13-37
1484 0000 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 page 13-38
1485 0000 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 page 13-38
34A8 0000 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 page 13-39