Omron CJ1W-DRM21 - Page 273

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9 Troubleshooting and Maintenance
CJ-series DeviceNet Units Operation Manual for NJ-series CPU Unit(W497)
9-4 Event Logs
9
9-4-3 Error Descriptions
Event name Invalid Scan List Data Event code 148D 0000 hex
Meaning There is an error in the contents of the slave scan list or master scan list stored in non-volatile memory.
Source PLC Function Module Source details CJ-series Unit Detection
timing
At power ON or
Controller reset
Error attributes Level Minor fault Recovery Error reset Log category System
Effects User program Continues. Operation The DeviceNet Unit will stop remote I/O communications
for the master or slaves. Data exchange processing with
the CPU Unit and message processing will continue. Nor-
mal operation will be recovered if writing is performed nor-
mally.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The power was interrupted during
writing the scan list to the non-volatile
memory.
If there is an error in the slave scan
list, disable the slave function, reset
the allocations, and then enable the
slave function. Or, reset the slave
scan list with the CX-Integrator. If
there is an error in the master scan
list, clear the scan list, and then regis-
ter the scan list again. Or, reset the
master scan list with the CX-Integra-
tor.
Do not turn OFF the power supply
while the system is writing the set-
tings.
Attached
information
None
Precautions/
Remarks
None
Event name Invalid Setup Data Event code 148E 0000 hex
Meaning There is illegal data in the settings for the slave function.
Source PLC Function Module Source details CJ-series Unit Detection
timing
At power ON or
Controller reset
Error attributes Level Minor fault Recovery Automatic recov-
ery, cycle power
supply, or reset
controller
Log category System
Effects User program Continues. Operation The DeviceNet Unit will stop the slave function. Remote
I/O communications and message communications will
continue.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The power was interrupted while the
system was writing the parameters.
Write the parameters again. Do not turn OFF the power supply
while the system is writing the param-
eters.
Non-volatile memory life Replace the Unit. None
Attached
information
None
Precautions/
Remarks
None