Error Descriptions - Omron Sysmac NJ-series User Manual

15 Troubleshooting

Error Descriptions

Event name Communications Controller Failure
Meaning A hardware error was detected in the communications controller of the built-in EtherNet/IP port.
Source EtherNet/IP Function Module
Error attributes Level
Effects User program
Indicators EtherNet/IP NET RUN
OFF
System-defined Variable
variables
_EIP_LanHwErr
Cause and Assumed cause
correction
Communications Controller hardware
error
Attached None
information
Precautions/ After the _EIP_LanHwErr system-defined variable changes to TRUE, it will not change to FALSE unless the power
Remarks supply to the Controller is cycled.
Event name MAC Address Error
Meaning The MAC address in non-volatile memory was not read correctly.
Source EtherNet/IP Function Module
Error attributes Level
Effects User program
Indicators EtherNet/IP NET RUN
OFF
System-defined Variable
variables
_EIP_MacAdrErr
Cause and Assumed cause
correction
Non-volatile memory failure
Attached None
information
Precautions/ After the _EIP_MacAdrErr system-defined variable changes to TRUE, it will not change to FALSE unless the power
Remarks supply to the Controller is cycled.
15-20
Source details
Partial fault Recovery
Continues. Operation
EtherNet/IP NET ERR
Lights.
Data type
BOOL
Correction
Replace the CPU Unit.
Source details
Partial fault Recovery
Continues. Operation
EtherNet/IP NET ERR
Lights.
Data type
BOOL
Correction
Replace the CPU Unit.
NJ/NX-series CPU Unit Built-in EtherNet/IP Port User's Manual (W506)
Event code 04200000 hex
Communications Detection
port timing
Cycle the power Log category
supply.
EtherNet/IP communications will not operate.
EtherNet/IP LINK/ACT
---
Name
Communications Controller Error
Prevention
None
Event code 14200000 hex
Communications Detection
port timing
Cycle the power Log category
supply.
EtherNet/IP communications will not operate.
EtherNet/IP LINK/ACT
---
Name
MAC Address Error
Prevention
None
Continuously
System
At power ON or
Controller reset
System