A-3
Fatal and Non-fatal Error Details
This appendix describes the fatal and non-fatal errors that can occur in the CPU Unit.
A-3-1
Fatal Errors
Operation will stop if a fatal error occurs. Information on the fatal error is displayed on the Error Tab
Page opened from the CX-Programmer's PLC Error Window. Check the details on the error based on
the message that is displayed, and the error flags and error information in the Auxiliary Area, and take
suitable countermeasures. The following list shows the fatal errors.
Fatal error
CJ2 CPU Unit Hardware User's Manual
Cycle Time Exceeded Error (0x809F)
I/O Bus Error (0x80C0 to 0x80C7, 0x80CE , or 80CF)
I/O Setting Error (0x80E0)
Too Many I/O Points Error (0x80E1)
Unit Number Duplication Error (0x80E9)
Rack Number Duplication Error (0x80EA)
Program Error (0x80F0)
Memory Error (0x80F1)
Version Error (0x80F2)
Memory Card Transfer Error (0x80F4)
FALS(007) Error (0xC101 to 0xC2FF)
Appendices
Instruction error
Indirect BCD error
Illegal access error
No END error
Task error
Differentiation overflow error
Illegal instruction error
UM overflow error
A-103