KUKA KRC4 · Robot Controller
This return value from the OR_PATH_REPLAY() function indicates that the system encountered an error when trying to open or access the path file associated with the given PATHID on the Compute Box. This could be due to file system issues, permissions, or corruption, preventing the path data from being read by the KUKA KRC4 controller.
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Check the OnRobot Compute Box's status and logs for any indications of file system errors or storage issues that might prevent file access.
Attempt to re-save the problematic path, if it can still be opened, or re-record it entirely to create a new, uncorrupted file on the Compute Box.
Verify network connectivity and stability (Ethernet cable, switch, IP configuration) between the KUKA KRC4 controller and the Compute Box; unstable connections can interrupt file operations.
Perform a soft reset or cold start of the OnRobot Compute Box and the KUKA KRC4 controller to clear any temporary file lock or access issues.
If issues persist across multiple path files, consider reinstalling the OnRobot KUKA Software package on the KRC4 (Section 2.4.3) and verifying Compute Box firmware integrity, or contact OnRobot support for Compute Box diagnostics.