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12 Troubleshooting
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
12-3 Checking for Errors and Troubleshooting with Support Soft-
ware
12
12-3-5 Event Codes for Errors and Troubleshooting Procedures
Event name NX Unit Initialization Error Event code 84C10000 hex
Meaning Initializing an NX Unit failed.
Source EtherNet/IP Source details EtherNet/IP
Coupler Unit
Detection
timing
When power is
turned ON to
the EtherNet/IP
Coupler Unit,
the Slave Ter-
minal is
restarted, an
NX Unit is
restarted, or an
error is reset in
the EtherNet/IP
Coupler Unit
Error
attributes
Level Minor fault Recovery Reset error in
EtherNet/IP
Coupler Unit.
Log category System
Effects
User program
Continues. Operation When Fail-soft Operation Is Set to Fail-soft
• EtherNet/IP Coupler Unit, NX Bus
I/O refreshing for all of the NX Units that have an
initialization error in the Slave Terminal stops.
When Fail-soft Operation Is Set to Stop
• EtherNet/IP Coupler Unit, EtherNet/IP Communi-
cations
Ethernet communication stops.
• EtherNet/IP Coupler Unit, NX Bus
I/O refreshing for the NX Units in the Slave Termi-
nal stops.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An error occurred in processing
the Communication Coupler Unit.
Set and save the Unit configura-
tion information in the Communi-
cation Coupler Unit again.
If this error occurs again, check
that there are no errors in the NX
Unit settings and I/O data map-
ping information, and correct any
errors that are found.
Correctly set NX Units and I/O
data mapping information, and set
and save the Unit configuration
information in the Communication
Coupler Unit.
An initialization error occurred in
an NX Unit.
Cycle the power supply to the rel-
evant NX Unit.
If the error occurs again, replace
the NX Unit.
None
The Channel Enable/Disable Set-
ting for all channels of the Analog
Input Unit are set to Disable.
The Enabled Channel Settings for
all channels of the Analog Output
Unit are set to Disable.
Set the Enabled Channel Setting
to Enable for at least one channel.
Set the Enabled Channel Setting
to Disabled for only the unused
channels.
Attached
information
Attached information 1: Unit number of the NX Unit where the error was detected
Precautions/
Remarks
None
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