Siemens SINUMERIK codes
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Siemens SINUMERIK Controller

Program/G-code · Intermediate · 30-120 minutes

Alarm 113004

Siemens 840D 113004 - Insufficient dynamic memory

This alarm indicates insufficient dynamic memory, often due to overly complex programs or excessive data usage. Simplify the program or reduce memory demands to resolve.

Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

113004

Siemens 840D 113004 - Insufficient dynamic memory

Insufficient dynamic memory

Siemens SINUMERIK operator message 113004: Insufficient dynamic memory. This is an informational message from the SINUMERIK control indicating a system status or operation result that may require operator action.

Root Cause Summary

This alarm indicates insufficient dynamic memory, often due to overly complex programs or excessive data usage. Simplify the program or reduce memory demands to resolve.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Causes and Fixes

  1. 1

    SAFETY: Power down and lock out machine

    Follow LOTO procedures before making any program modifications. Ensure machine is in a safe state.

  2. 2

    Review program size

    Check the program for excessive use of variables, arrays, or nested subprograms.

  3. 3

    Simplify code

    Reduce the number of active variables or split the program into smaller parts if possible.

  4. 4

    Test in simulation mode first

    Always test modified programs in simulation mode before running on actual machine to prevent crashes or unexpected behavior.

  5. 5

    Clear alarm and restart

    Clear the alarm and test the modified program to ensure it runs without error.

DIY Feasiblehigh confidence

Call a technician if:

  • ·If memory issues persist after program optimization
  • ·If system configuration adjustments are needed beyond user access

Prevention

  • Avoid excessive use of variables and complex macros
  • Test large programs in simulation mode before execution
  • Regular backup of working programs before modifications
  • Monitor system memory usage during program development

Common Mistakes

  • Overlooking memory usage in subprograms
  • Not clearing unused variables or data buffers

Seeing Multiple Alarms?

Seeing another alarm with this one? Enter the code.

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