XML_FUNCTION
Function code return
Fanuc · R-30iA R-30iB Controller
What does XML_FUNCTION mean?
This fault indicates that an underlying internal function called during XML processing returned an error code. This is a generic indicator of a problem within one of the XML library's internal operations, preventing further parsing.
Common Causes
- An internal function call during XML processing returned an error code.
- A sub-process within the XML parser encountered an issue.
- Unexpected condition within the parser's logic.
- Data handling error by an internal module.
- A hardware-related issue affecting internal memory or processing.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Restart the equipment or system to clear temporary internal states.
- 2
Ensure the firmware or software version of the XML parser is up-to-date.
- 3
Check for system logs that might provide more detail on the internal function error.
- 4
If the fault persists, consider a system reset or re-initialization of parameters.
- 5
Test with a known valid and simple XML configuration file.
Verified technical data. Last updated: March 2026
Related Faults
Source: Fanuc R-30iA R-30iB Controller