Omron NJ501-1400 User Manual page 248

5 Troubleshooting
Event name PLC Function Processing Error
Meaning A fatal error was detected in part of the PLC Function Module.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
An error occurred in the software.
Attached Attached information 1: System information
information Attached Information 2: System information
Attached information 3: System information
Attached information 4: System information
Precautions/ None
Remarks
Event name Event Log Save Error
Meaning Saving the event log failed.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
A low battery voltage prevented
retention of memory during a power
interruption. (NJ/NX-series)
A forced shutdown was performed.
(NY-series)
Data in the event log area are invalid.
(NY-series)
Data in the NX Unit event log area are
invalid. (NX1P2 CPU Unit)
Attached Attached information 1: Error Details
information
Precautions/ None
Remarks
5-68
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Contact your OMRON representative.
Source details
Observation Recovery
Starts. Operation
Data type
---
Correction
Replace the Battery.
None
If the error persists even after you
cycle the power to the Industrial PC, a
hardware failure may occur in the
event log area. Replace the Industrial
PC if you use the event logs in the
Industrial PC.
If this error persists even after you
cycle the power supply to the CPU
Unit, a hardware failure may occur in
the event log area. Replace the CPU
Unit if you use the event logs in the
CPU Unit.
0: Failure to save all categories of logs,
1: Failure to save system event log,
2: Failure to save access event log,
100: Failure to save user-defined event log
Event code 40130000 hex
None Detection
timing
Cycle the power Log category
supply or reset
the Controller.
Operation is not affected.
Name
---
Prevention
None
Event code 10230000 hex
None Detection
timing
--- Log category
Not affected. However, part or all of the past event log
cannot be read.
Name
---
Prevention
Replace the battery periodically.
Perform a shutdown with other
method than the forced shutdown.
None
None
NJ-series CPU Unit Hardware User's Manual (W500)
Continuously
System
At power ON or
Controller reset
System