Program owner active
Allen-Bradley · Logix 5000
What does F01B mean?
Someone is currently downloading or editing online, making the program unavailable for other operations. This is a temporary access restriction during programming activities.
Common Causes
- Program owner active - someone is downloading or editing online
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the active user or workstation currently holding the program owner lock using the 'Who Active' or 'Go Online' features in Studio 5000 Logix Designer.
- 2
Communicate with the identified user or workstation to request they save their work and go offline, releasing the program owner lock.
- 3
Inspect all relevant programming workstations for any unintended or orphaned instances of Studio 5000 Logix Designer that might still be online with the controller.
- 4
Monitor the controller's communication status and access availability in Studio 5000 after potential owner release to confirm the F01B error clears.