KUKA Robot codes
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KUKA Robot Controller

System · Basic

Alarm KRC1022

KUKA Robot KRC1022 - BLOCK <object name> CANNOT BE DECOMPILED 2707

This alarm occurs when the KUKA KRC system cannot decompile or parse a specified KRL program block, module, function, or variable object. The decompilation failure prevents the system from converting the compiled code back to an interpretable format, typically indicating corruption or incompatibility in the program file structure.

KUKA RobotSystemBasic

KRC1022

KUKA Robot KRC1022 - BLOCK <object name> CANNOT BE DECOMPILED 2707

BLOCK <object name> CANNOT BE DECOMPILED 2707

This alarm occurs when the KUKA KRC system cannot decompile or parse a specified KRL program block, module, function, or variable object. The decompilation failure prevents the system from converting the compiled code back to an interpretable format, typically indicating corruption or incompatibility in the program file structure.

Common Causes

  • Program file corruption due to incomplete transfer, storage failure, or disk error
  • KRL source code compiled with a different or incompatible KUKA software version
  • Invalid or malformed object syntax in the KRL program
  • Damaged or truncated .src, .sub, or .dat file preventing proper decompilation
  • Memory or file system issues on the robot controller causing read/write errors

Troubleshooting Steps

  1. 1Identify the specific object name from the alarm message and verify the corresponding KRL file exists and is readable on the controller
  2. 2Attempt to recompile the affected KRL program using the current KUKA software version (KRC, KUKA Sim, or development environment)
  3. 3Restore the program file from a known good backup or re-download it to the robot controller via KUKA engineering software
  4. 4Check the robot controller's file system for corruption by running diagnostic tools or reinitializing the program storage if available
  5. 5Verify software version compatibility; if necessary, migrate or recompile programs to match the current KRC software version
  6. 6If the issue persists, perform a controlled restart of the KRC system and attempt to access the program again, or contact KUKA support with the full alarm code and object name

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