16#1409 - 16#00000000
Backup File Already Exists
Omron · SYSMAC N-Smart Series Library
What does 16#1409 - 16#00000000 mean?
A backup operation was attempted to create a file with a name that already exists on the SD Memory Card, and the OverWrite parameter of the function block is set to FALSE, preventing automatic overwriting.
Common Causes
- A backup file with the same name already exists in the specified directory.
- The OverWrite parameter is set to FALSE, disallowing the replacement of existing files.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Specify a different directory for storing the backup file.
- 2
Manually delete the existing backup file from the SD Memory Card before re-executing the backup function block.
Verified technical data. Last updated: March 2026
Related Faults
Source: Omron SYSMAC N-Smart Series Library