Disk File Write Protected or Not Accessible (Offline Only)

What does F01C mean?

This fault applies specifically to offline operations and indicates that a disk file cannot be written to because it is either write-protected or otherwise inaccessible. This prevents saving changes or creating new files on the disk.

• File system attribute set to read-only.
• Insufficient user permissions to write to the specified disk location.
• Disk corruption or network drive unavailability (for network files).

Click steps to track your progress.

1. 1

   Verify the logged-in user account has full read/write permissions for the directory containing the PLC project files.

2. 2

   Check the properties of the PLC project file and its parent folder to ensure the 'Read-only' attribute is not selected.

3. 3

   Inspect the available free disk space on the drive where the PLC project file is located to ensure sufficient capacity for saving.

4. 4

   Verify no antivirus or security software is actively blocking write operations to the project file directory.

5. 5

   Attempt to save the PLC project file to an alternate local disk location or a newly created folder to isolate the directory access issue.