207082

Macro execution not possible

Siemens · SINUMERIK 828D

What does 207082 mean?

A macro program could not be executed due to various underlying causes. The fault value (r0949, hexadecimal) provides detailed information, including the preliminary parameter number, supplementary information, and the specific fault cause. This can range from invalid files, incorrect data types, or unauthorized parameter writes, preventing the macro from completing its intended function.

Common Causes

  • Syntax error within the macro program code (e.g., missing semicolon, undefined variable, incorrect command structure).
  • Attempting to execute a macro with insufficient permissions or while the NC is in an incompatible operating mode (e.g., Jog mode).
  • Referencing an undefined or non-existent parameter (e.g., P_XYZ) or system variable within the macro.
  • Memory allocation failure or buffer overflow during macro execution due to complex operations or excessively large data processing.
  • Macro program attempts to access or modify protected system parameters or areas without the required authority level (e.g., writing to NC kernel parameters).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    1. Review the macro program code, focusing on syntax errors and logical flow, using a text editor with syntax highlighting or a dedicated macro editor.

  2. 2

    2. Verify the NC operating mode (e.g., Automatic, MDI) and user access level before attempting macro execution, ensuring compatibility with macro commands.

  3. 3

    3. Check all parameter and variable references within the macro against the NC documentation, ensuring they are valid and correctly spelled.

  4. 4

    4. Reduce the complexity of the macro program by breaking it into smaller, testable subroutines, and execute each part sequentially to isolate the error.

  5. 5

    5. Increase available NC memory if applicable (e.g., by archiving old programs) or optimize macro code to reduce memory footprint during execution.

Browse all codes in this manual (37)
Verified technical data. Last updated: March 2026

Related Faults