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7 Troubleshooting and Maintenance
7-20
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
Cause and cor-
rection
Assumed cause
Correction
Prevention
No Ethernet cable is connected.
Damaged Ethernet cable or other net-
work hardware.
Ethernet connection issues.
Troubleshoot network connections for
faulty hardware and/or connection(s).
Check connections
Ensure PROFINET network is con-
forming to proper specifications.
Attached
information
None
Precautions/
Remarks
None
Event name
Hardware Error
Event code
88030000 hex
Meaning
Hardware errors have occurred.
Source
Function Module
Source details
CJ-series Unit
Detection
timing
Continuously
Error attributes
Level
Minor
Recovery
Depends on the
cause
Log category
System
Effects
User program
Continues
Operation
Turned ON by the Unit if hardware errors have occurred
on the bus, e.g. faults when accessing the Ethernet
controller or interrupted data streams and broken
messages.
System-defined
variables
Variable
Data type
Name
*_HwErr
BOOL
Hardware Error
Cause and cor-
rection
Assumed cause
Correction
Prevention
The Ethernet controller of the Unit
encountered a problem.
Faulty access or there where broken
messages or interrupted data streams
from the network.
External influences on the network.
Restart the Unit.
Replace the Unit.
Isolate the Unit from any potential
external influences with negative
effects.
--
Attached
information
None
Precautions/
Remarks
None