What causes Siemens SINUMERIK alarm 105054?

Corrupted or malformed cycle description file (.com or .cov file) in the cycle library. Invalid parameter syntax in cycle definition preventing parser interpretation. Missing or incorrect cycle library path preventing proper file access. Incompatible cycle file version with current 840D/828D software version. Character encoding or line termination issues in cycle description files.

How do I fix Siemens SINUMERIK alarm 105054?

1. Check cycle library directory paths in machine configuration and verify all .com and .cov files are accessible without permission restrictions 2. Review recent cycle library modifications or backups; attempt restoration of known good cycle files to isolate problematic descriptions 3. Validate cycle parameter syntax in affected .com/.cov files for undefined variables, missing delimiters, or invalid data types 4. Compare cycle file structure against Siemens documentation and working reference files from identical machine configurations 5. Clear cycle cache and reinitialize system; if persistent, verify software version compatibility and consider cycle library re-import from factory source

Siemens SINUMERIK codes

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Siemens SINUMERIK Controller

Servo/Axis · Intermediate · 30-60 minutes

Alarm 105054

Siemens 840D 105054 - Error on calling of description of cycles !

One of the sc.com, cov.com cycle description files contains a non-interpretable parameter. Initilization of the cycles is aborted. Remedy: --

Siemens SINUMERIKServo/AxisIntermediate30-60 minutes

105054

Siemens 840D 105054 - Error on calling of description of cycles !

Error on calling of description of cycles !

One of the sc.com, cov.com cycle description files contains a non-interpretable parameter. Initilization of the cycles is aborted. Remedy: --

Safety

Refer to Siemens documentation
Ensure qualified technician performs repairs

Common Causes

Corrupted or malformed cycle description file (.com or .cov file) in the cycle library
Invalid parameter syntax in cycle definition preventing parser interpretation
Missing or incorrect cycle library path preventing proper file access
Incompatible cycle file version with current 840D/828D software version
Character encoding or line termination issues in cycle description files

Troubleshooting Steps

1Check cycle library directory paths in machine configuration and verify all .com and .cov files are accessible without permission restrictions
2Review recent cycle library modifications or backups; attempt restoration of known good cycle files to isolate problematic descriptions
3Validate cycle parameter syntax in affected .com/.cov files for undefined variables, missing delimiters, or invalid data types
4Compare cycle file structure against Siemens documentation and working reference files from identical machine configurations
5Clear cycle cache and reinitialize system; if persistent, verify software version compatibility and consider cycle library re-import from factory source

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