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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 Message Timer List Error Event code 148C0000 hex
Meaning The data in the message monitoring timer list is not correct.
Source PLC Function Module Source details CJ-series Unit Detection
timing
At power ON or
Controller reset
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation The message monitoring timer will operate with the
default value.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The power supply was interrupted
while writing the message-monitoring
timer list to the non-volatile memory.
Register the message-monitoring
timer list again.
Do not turn OFF the power supply
while the system is writing the set-
tings.
Attached
information
None
Precautions/
Remarks
You can change the event level to the minor fault level. If you change the level to the minor fault level, the Recovery col-
umn above will be changed to “Error reset.”
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