Siemens SINUMERIK codes
Siemens SINUMERIKProgram/G-codeIntermediate30-120 minutes

104240

Siemens 840D 104240 - Location found

Location found

Siemens SINUMERIK operator message 104240: Location found. This is an informational message from the SINUMERIK control indicating a system status or operation result that may require operator action.

Root Cause Summary

Alarm 104240 is an informational message that appears during search operations, indicating that the control has successfully located a specific position, block, or label (%1 represents the found location identifier). This is typically generated during program search functions, reference point searches, or when using REPOS (reposition) functionality after an interruption.

Safety

  • Refer to Siemens documentation
  • Ensure qualified technician performs repairs

Causes and Fixes

  1. 1

    Verify the displayed location (%1 value) matches your intended search target block number or label name.

  2. 2

    Check the NC program pointer position on the HMI to confirm the cursor is at the correct program line.

  3. 3

    Review machine axis positions to ensure safe conditions before continuing program execution from this location.

    Do not start machining without verifying tool position and workpiece setup to prevent collisions.

  4. 4

    Acknowledge the message and proceed with NC START or continue with your intended operation.

Service Recommended confidence

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