App - 16 App - 16
MELSEC-Q
APPENDIX
Appendix 4.4.2 System error code table
An error code at a system error occurrence is expressed as a 4-digit hexadecimal
number. The code is read as follows:
Indicates the task number
where an error occurred.
Indicates the
error code.
The error code given by the ERR function is a decimal number.
Refer to the error code table after converting this number to
hexadecimal using the HEX$ function.
System error