5 Troubleshooting
5-66
NJ-series CPU Unit Hardware User’s Manual (W500)
* For details, refer to I/O Operation for Major Fault Level Controller Errors on page 5-6.
*1 This event code occurs for unit version 1.02 or earlier of the CPU Unit.
*2 For details, refer to I/O Operation for Major Fault Level Controller Errors on page 5-6.
Event name PLC Function Processing Error Event code 4011 0000 hex
Meaning A fatal error was detected in the PLC Function Module.
Source PLC Function Module Source details None Detection
timing
Continuously
Error attributes Level Major fault Recovery Cycle the power
supply.
Log category System
Effects User program Stops. Operation Stops.*
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An error occurred in the software. Contact your OMRON representative. None
Attached
information
Attached information 1: System information
Attached Information 2: System information
Attached information 3: System information
Attached information 4: System information
Precautions/
Remarks
None
Event name Safe Mode Event code
40160000 hex
*1
Meaning The Controller started in Safe Mode.
Source PLC Function Module Source details None Detection
timing
At power ON or
Controller reset
Error attributes Level Major fault Recovery Cycle the power
supply or reset
the Controller.
Log category System
Effects User program Stops. Operation
Stops.
*2
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The power supply was turned ON to
the Controller when Safe Mode was
set on the DIP switch on the CPU
Unit.
--- ---
Attached
information
None
Precautions/
Remarks
If the Controller is started when the CPU Unit is in Safe Mode, the user program is not executed even if the startup
mode is set to RUN mode.
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