3-115
3 Error Tables
NJ-series Troubleshooting Manual (W503)
3-2 Events in Order of Event Codes
3
3-2-2 Error Table
Events that are marked with an asterisk in the Event code column were added for version upgrades.
Refer to 3-1 Errors by Source for the versions for which events can occur. Event codes for instructions
are supported by CPU Units with unit version 1.02 or later.
3-2-2 Error Table
Event code Event name Functional classification Reference
00070000 hex Real-Time Clock Stopped Errors for Self Diagnosis W500
00080000 hex Real-Time Clock Failed Errors for Self Diagnosis W500
00090000 hex DIP Switch Setting Error Errors for Self Diagnosis W500
000B0000 hex Low Battery Voltage Errors for Self Diagnosis W500
000C0000 hex CPU Unit Overheat Errors for Self Diagnosis W500
000D0000 hex Internal NJ-series Bus Check Error Errors for Self Diagnosis W500
000E0000 hex Non-volatile Memory Life Exceeded Errors for Self Diagnosis W500
000F0000 hex SD Memory Card Invalid Type Errors for Self Diagnosis W500
00100000 hex SD Memory Card Life Exceeded Errors for Self Diagnosis W500
04010000 hex I/O Bus Check Error Errors Related to Unit Configuration W500
04200000 hex Communications Controller Failure Built-in EtherNet/IP Port on CPU Unit W506
04400000 hex Communications Controller Failure Built-in EtherCAT Master in CPU Unit W500
04600000 hex A/D Conversion Error CJ-series Analog I/O Units and CJ-
series Process I/O Units
W490, W498
04610000 hex Cold Junction Sensor Error CJ-series Process I/O Units W498
04620000 hex Non-volatile Memory Error CJ-series Analog I/O Units and CJ-
series Process I/O Units
W490, W498
04680000 hex Cold Junction Sensor Error CJ-series Temperature Control Units W491
046C0000 hex Unit Status, Antenna Power Supply
Error
CJ-series ID Sensor Units Z317
046D0000 hex Unit Status, Memory Error CJ-series ID Sensor Units Z317
046E0000 hex Results Information, Antenna Error CJ-series ID Sensor Units Z317
046F0000 hex Unit Status, Unit Busy CJ-series ID Sensor Units Z317
04740000 hex Error Log Data Error CJ-series Serial Communications
Units
W494
04750000 hex DTR Check Error CJ-series Serial Communications
Units
W494
04760000 hex CTS Check Error CJ-series Serial Communications
Units
W494
047A0000 hex Unit Memory Error (Device Error) CJ-series EtherNet/IP Units W495
047B0000 hex Non-volatile Memory Error CJ-series EtherNet/IP Units W495
047C0000 hex Communications Controller Error CJ-series EtherNet/IP Units W495
04880000 hex Unit Memory Error CJ-series DeviceNet Units W497
04890000 hex Network Power Error CJ-series DeviceNet Units W497
048A0000 hex File Read/Write Error CJ-series DeviceNet Units W497
04A10000 hex Non-volatile Memory Hardware Error Block I/O (GX-series EtherCAT Slave
Units), MX2/RX-series Inverters with
EtherCAT Communications Units,
EtherCAT M3X Photoelectric Fiber
Amplifiers, E3X-series Fiber Sen-
sors with EtherCAT Communications
Unit for Digital Sensors, and Ether-
CAT Digital Sensor Communications
Units Operation Manual
W488, I574,
E413, and
E429
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