What causes KUKA Robot alarm KRC0629?

Corrupted program files or project database in the KRC memory. Insufficient memory allocation or memory management failure in the APS subsystem. Incompatible or outdated firmware version on the KRC controller. Interrupt handling failure or real-time system timing violation during program execution. Corrupted system configuration files or boot parameters affecting APS initialization.

How do I fix KUKA Robot alarm KRC0629?

1. Perform a controlled shutdown of the robot controller and power cycle the system completely 2. Connect to the KRC controller via teach pendant or engineering station and check the system logs for detailed error timestamps and context information 3. Verify the KRC firmware version matches the APS software version; update firmware if necessary using KUKA's official update procedure 4. Clear the APS cache and temporary files through the controller's system maintenance menu, then restart the APS service 5. If error persists, perform a selective memory reset of the APS partition while preserving application programs, or restore from the last known good system backup 6. If the alarm continues after all troubleshooting steps, contact KUKA service support with the complete system log files and firmware version information for advanced diagnostics

KUKA Robot codes

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KUKA Robot Controller

System · Basic

Alarm KRC0629

KUKA Robot KRC0629 - APS system error

The APS (Advanced Programming System) has detected an internal system error that prevents normal operation of the robot controller's programming and execution environment. This alarm indicates a critical failure in the software layer that manages program compilation, interpretation, or real-time execution on the KRC controller. The system must be reset and diagnostics performed to restore normal functionality.

KUKA RobotSystemBasic

KRC0629

KUKA Robot KRC0629 - APS system error

APS system error

Common Causes

Corrupted program files or project database in the KRC memory
Insufficient memory allocation or memory management failure in the APS subsystem
Incompatible or outdated firmware version on the KRC controller
Interrupt handling failure or real-time system timing violation during program execution
Corrupted system configuration files or boot parameters affecting APS initialization

Troubleshooting Steps

1Perform a controlled shutdown of the robot controller and power cycle the system completely
2Connect to the KRC controller via teach pendant or engineering station and check the system logs for detailed error timestamps and context information
3Verify the KRC firmware version matches the APS software version; update firmware if necessary using KUKA's official update procedure
4Clear the APS cache and temporary files through the controller's system maintenance menu, then restart the APS service
5If error persists, perform a selective memory reset of the APS partition while preserving application programs, or restore from the last known good system backup
6If the alarm continues after all troubleshooting steps, contact KUKA service support with the complete system log files and firmware version information for advanced diagnostics

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