Program Owner Active - Downloading or Online Editing

What does F01B mean?

This error occurs when a program is currently being downloaded or edited online by another user or process. This prevents other attempts to modify the program, ensuring program integrity during active development.

• Another programming workstation is actively downloading code to the controller.
• Another user is performing online edits on the running program.
• Background task initiated a program modification.

Click steps to track your progress.

1. 1

   Verify active programming sessions connected to the PLC using the appropriate programming software (e.g., Studio 5000 Logix Designer or RSLogix 500).

2. 2

   Communicate with the identified user or responsible team to ascertain the status of their program download or online editing activities.

3. 3

   Request that the active program owner finalize their changes or disconnect from the PLC to release program ownership.

4. 4

   Monitor the PLC status indicators and programming software for the disappearance of the F01B error, indicating successful ownership release.