What causes Siemens SINUMERIK alarm 103006?

Block search initiated without calculation mode enabled while program contains subroutine calls (M98/M99 or CALL commands). Operator selected 'Block Search' instead of 'Block Search with Calculation' from the control interface. Program logic requires subroutine execution but control is in dry-run or positioning mode without full calculation. Machine parameter settings restrict calculation mode during block search operations.

How do I fix Siemens SINUMERIK alarm 103006?

1. Cancel current block search operation and verify program contains subroutine calls or nested program calls 2. Select 'Block Search with Calculation' mode from the control menu instead of standard block search 3. Ensure machine is in proper operating mode (not in dry-run or reduced-velocity mode) and restart the block search function 4. Verify machine parameters related to block search and calculation mode are correctly configured; contact Siemens service if parameter settings appear incorrect 5. Test with a simple program without subroutines to confirm block search functions normally, then retry with the original program in calculation mode

axismd.ai

Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 10-20 minutes

Alarm 103006

Siemens 840D 103006 - Block search without calculation possible on MP level only

This alarm occurs when attempting a block search without calculation (SERUPRO) while the program contains subroutine calls. Block search without calculation can only execute at the main program (MP) level and cannot traverse into subroutine structures. The control requires a search run with calculation to properly handle subroutine logic.

Siemens SINUMERIKServo/AxisIntermediate10-20 minutes

103006

Siemens 840D 103006 - Block search without calculation possible on MP level only

Block search without calculation possible on MP level only

Root Cause Summary

This alarm occurs when attempting a block search without calculation (SERUPRO) while the program contains subroutine calls. Block search without calculation can only execute at the main program (MP) level and cannot traverse into subroutine structures. The control requires a search run with calculation to properly handle subroutine logic.

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Causes and Fixes

1
Press RECALL key to cancel the current block search operation.
2
Access the block search menu and select search type SEARMON (search with calculation) instead of SERUPRO.
3
Enter the target block number or search criteria and initiate the search run.
Search with calculation will take longer as it processes all program logic including subroutines.
4
Verify the search completes successfully and machine positions are correct before starting machining.

Service Recommended confidence

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.