Requested Function Not Available
Allen-Bradley · Logix and SLC PLC
What does 6000 mean?
This error means that the system requested a specific function or operation from a device, but the device does not support or cannot perform that function. This can happen if the device firmware does not include the requested capability or if it's disabled.
Common Causes
- Attempting to execute an unsupported command on the target device.
- Target device firmware version does not include the requested function.
- Function is disabled or restricted in the target device's configuration.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Verify the installed module's part number and series against the module configured in the PLC's I/O tree.
- 2
Check the module's current firmware revision and compare it against the documented requirements for the requested function.
- 3
Inspect the module's properties and parameters within the PLC programming software (e.g., Studio 5000) to ensure the function is enabled and correctly configured.
- 4
Review the module's physical hardware settings (DIP switches, jumpers) to confirm they permit the requested function.
- 5
Analyze the PLC application logic to confirm that the requested function is supported by the specific capabilities of the installed module.