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KUKA Robot Controller
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KUKA Robot KRC0587 - COR.dat check sum error
This alarm indicates that the checksum verification of the COR.dat file has failed, meaning the correction data file stored in the robot controller's memory has been corrupted or altered. The COR.dat file contains calibration and correction parameters essential for accurate robot positioning and motion. When the controller detects a mismatch between the calculated and stored checksum values, it triggers this alarm to prevent operation with invalid correction data.
KRC0587
KUKA Robot KRC0587 - COR.dat check sum error
COR.dat check sum error
This alarm indicates that the checksum verification of the COR.dat file has failed, meaning the correction data file stored in the robot controller's memory has been corrupted or altered. The COR.dat file contains calibration and correction parameters essential for accurate robot positioning and motion. When the controller detects a mismatch between the calculated and stored checksum values, it triggers this alarm to prevent operation with invalid correction data.
Common Causes
- Unexpected power loss or improper shutdown during file write operations to the controller
- Corrupted storage media or flash memory degradation in the KRC controller
- Unauthorized or incomplete modification of the COR.dat file through manual editing or network transfer
- Software bugs or conflicts during system updates or parameter modifications
- Hardware failure in the controller's memory or storage device
Troubleshooting Steps
- 1Power cycle the KRC controller completely, wait 30 seconds, then restart to determine if the error is intermittent
- 2Access the controller's file system via KCP (KUKA Control Panel) or KRC terminal and verify the COR.dat file integrity and timestamp
- 3Restore the COR.dat file from a known good backup if available, using the controller's system backup or maintenance interface
- 4Run the KUKA system diagnostics tool to perform a complete memory and storage device integrity check
- 5If the issue persists, perform a controlled system reset using KRC maintenance mode and recalibrate the robot if necessary
- 6Contact KUKA service support with error logs and system information if file corruption cannot be resolved through standard recovery procedures
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