-1
General Error During ioCtl
Kuka · KR C4 PROFIBUS
What does -1 mean?
A non-specific internal error occurred during an I/O control operation. This indicates a fundamental issue within the system's ability to execute commands, possibly related to internal state, permissions, or a corrupted process.
Common Causes
- Underlying operating system or driver error during I/O control operation.
- Incorrectly formed control command sent to the communication interface.
- Hardware resource conflict or driver instability.
- Problem with the communication adapter or its firmware.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Reboot the system with a cold start to clear transient errors.
- 2
Verify the syntax and parameters of the `ioCtl` command being executed for any obvious discrepancies.
Verified technical data. Last updated: March 2026
Related Faults
Source: Kuka KR C4 PROFIBUS