Omron NX Series User Manual page 352

14 Troubleshooting
Event name Communications Controller Error
Meaning A hardware error was detected in the Communications Controller of the Ethernet port.
Source X Bus Ethernet Function Module
Error attributes Level
Effects User program
Indicators Ethernet NET RUN
OFF
Device variable Variable
ETN_Port1Status.LanHwErr
ETN_Port2Status.LanHwErr
Cause and cor- Assumed cause
rection
Hardware failure of Communica-
tions Controller
Attached infor- None
mation
Precautions/ Once the device variable ETN_Port1Status.LanHwErr or ETN_Port2Status.LanHwErr becomes TRUE, it will
Remarks not become FALSE unless the Controller power is turned OFF and then ON.
14-16
Source details
Minor fault Recovery
Continues. Operation
Ethernet NET ERR
Lights.
Data type
BOOL
BOOL
Correction
Replace the Unit.
Event code 04310000 hex
1 to 4: Mounting Detection tim-
position of the X ing
Bus Unit (unit
number) and
communications
port 1/
communications
port 2 are given
in combination
Cycle the power Log category
supply.
Ethernet communications are not possible for the rele-
vant communications port.
Ethernet LINK/ACT
---
Name
Port1 Communications Controller
Error
Port2 Communications Controller
Error
Prevention
None
NX-series EtherNet/IP Unit User's Manual (W627)
Continuously
System