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Access Operating Area Management

Navigate to HMI → Services → Operating Areas → Area Management to check current area status and notebook integrity.

Check the area loading sequence in the diagnostics buffer for specific file names causing issues

Verify Notebook File Structure

Use SINUMERIK file manager to examine .NOT files in /user/sinumerik/data/area/[area_name]/ directory for corruption or zero-byte files.

Always backup existing notebook files before attempting repairs

Restore from Backup or Recreate

Either restore notebook files from a known good backup or delete corrupted .NOT files and allow system to recreate default notebooks on next area load.

Reinitialize Operating Area

Perform area reload via Services → Operating Areas → Load Area to test notebook loading functionality.

Check NCK Memory Status

Access Diagnostics → NCK → Memory to verify available NCK memory and check MD18210 (NCK memory configuration) settings.

Look for memory fragmentation in the detailed memory display

Review Operating Area Size

Navigate to Services → Operating Areas → Area Information to check total memory consumption of all configured areas and notebooks.

Optimize Memory Allocation

Adjust MD18210 NCK memory parameters or reduce number of active operating areas if memory usage exceeds 80% of available NCK memory.

NCK memory changes require system restart and may affect other functions

Perform Memory Cleanup

Execute NCK memory cleanup via Diagnostics → NCK → Memory → Cleanup to defragment and optimize memory allocation.

Check User Access Rights

Verify current user has sufficient privileges via HMI → Startup → User Management and ensure operating area access is enabled for the active user level.

Service level access may be required for notebook file operations

Verify File System Permissions

Use SINUMERIK file manager to check read/write permissions on /user/sinumerik/data/area/ directory and subdirectories.

Reset File Permissions

Navigate to Services → System Data → Reset File System Rights to restore default permissions for operating area directories.

This operation affects all file system permissions and may require reconfiguration of custom access rights

Test Area Loading

Attempt to load operating area again via Services → Operating Areas → Load Area to verify permission correction.

Run File System Check

Access Services → System → File System Check to scan for and repair file system errors on the SINUMERIK hard drive.

File system check may take significant time and should be performed during scheduled downtime

Check Drive Health Status

Navigate to Diagnostics → System → Drive Status to verify hard drive health and check for reported errors or bad sectors.

Backup Critical Data

Create complete system backup via Services → System Data → Archive to USB before attempting file system repairs.

Include all operating areas and user data in the backup archive

Restore Operating Area Data

If file system repair is successful, restore operating area data from backup or recreate areas from scratch if corruption is extensive.

Verify Area Configuration

Check Services → Operating Areas → Area Configuration to ensure all configured areas have corresponding directory structures and notebook files.

Compare Configuration to File System

Cross-reference configured area names with actual directories in /user/sinumerik/data/area/ using SINUMERIK file manager.

Synchronize Configuration

Either create missing directories/notebooks for configured areas or remove orphaned area configurations that lack corresponding file structures.

Use the area creation wizard to ensure proper directory and notebook file generation

Validate Area Loading

Test each operating area individually via Services → Operating Areas → Load Area to identify specific configuration mismatches.