Omron NJ501-1400 User Manual page 246

5 Troubleshooting
Event name PLC Function Processing Error
Meaning A fatal error was detected in 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
* For details, refer to I/O Operation for Major Fault Level Controller Errors on page 5-6.
Event name Safe Mode
Meaning The Controller started in Safe Mode.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The power supply was turned ON to
the Controller when Safe Mode was
set on the DIP switch on the CPU
Unit.
Attached None
information
Precautions/ If the Controller is started when the CPU Unit is in Safe Mode, the user program is not executed even if the startup
Remarks mode is set to RUN mode.
*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.
5-66
Source details
Major fault Recovery
Stops. Operation
Data type
---
Correction
Contact your OMRON representative.
Source details
Major fault Recovery
Stops. Operation
Data type
---
Correction
---
Event code 40110000 hex
None Detection
timing
Cycle the power Log category
supply.
Stops.*
Name
---
Prevention
None
Event code
40160000 hex
None Detection
timing
Cycle the power Log category
supply or reset
the Controller.
*2
Stops.
Name
---
Prevention
---
NJ-series CPU Unit Hardware User's Manual (W500)
Continuously
System
*1
At power ON or
Controller reset
System