What causes KUKA Robot alarm KRC0803?

Constant type 2139 was deleted or removed from the system library without updating dependent code. Incorrect constant type identifier used in the declaration or initialization. Missing or corrupted system configuration files containing constant type definitions. Incompatible KRC software version where constant type 2139 is not supported. Custom constant type not properly registered in the KRL data type system.

How do I fix KUKA Robot alarm KRC0803?

1. Verify the constant type identifier 2139 exists in the active KRL system libraries and configuration files 2. Review the declaration in the affected program module and confirm the constant type syntax is correct 3. Check the KRC software version compatibility documentation to ensure type 2139 is supported in your KUKA system 4. Compare the program with working reference code or backup versions to identify changes to constant definitions 5. Recompile or reload the KRL program after confirming all constant type definitions are properly accessible 6. If the issue persists, restore system configuration files from backup or contact KUKA support with the specific constant type reference

KUKA Robot codes

axismd.ai

KUKA Robot Controller

System · Basic

Alarm KRC0803

KUKA Robot KRC0803 - NO NAME OF SUCH A CONSTANT TYPE 2139

This alarm indicates that a constant type reference with ID 2139 does not exist in the KRL program or system configuration. The compiler or runtime environment cannot resolve the specified constant definition, preventing proper program execution or compilation.

KUKA RobotSystemBasic

KRC0803

KUKA Robot KRC0803 - NO NAME OF SUCH A CONSTANT TYPE 2139

NO NAME OF SUCH A CONSTANT TYPE 2139

Common Causes

Constant type 2139 was deleted or removed from the system library without updating dependent code
Incorrect constant type identifier used in the <object name> declaration or initialization
Missing or corrupted system configuration files containing constant type definitions
Incompatible KRC software version where constant type 2139 is not supported
Custom constant type not properly registered in the KRL data type system

Troubleshooting Steps

1Verify the constant type identifier 2139 exists in the active KRL system libraries and configuration files
2Review the <object name> declaration in the affected program module and confirm the constant type syntax is correct
3Check the KRC software version compatibility documentation to ensure type 2139 is supported in your KUKA system
4Compare the program with working reference code or backup versions to identify changes to constant definitions
5Recompile or reload the KRL program after confirming all constant type definitions are properly accessible
6If the issue persists, restore system configuration files from backup or contact KUKA support with the specific constant type reference

Seeing Multiple Alarms?

Seeing another alarm with this one? Enter the code.

Get machine-aware diagnosis

AxisMD logs alarms against your actual machines, tracks patterns, and gives AI context your manual doesn't have.

Start free

Was this guide helpful?

Always verify with your machine manual or a certified technician before performing service procedures.