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Heidenhain Controller
System · Intermediate · 30-120 minutes
HEIDENHAIN 900-0BD9 - Configuration data are incomplete
Alarm 900-0BD9 occurs when the TNC control detects missing or corrupted servo configuration parameters in the machine parameter files. This typically happens after incomplete parameter restoration, corrupted MP files, or when servo axis configuration data is missing from the system files.
HEIDENHAIN 900-0BD9 - Configuration data are incomplete
Configuration data are incomplete
This error condition indicates configuration data are incomplete. The control has detected an issue that requires attention before normal operation can resume.
Root Cause Summary
Alarm 900-0BD9 occurs when the TNC control detects missing or corrupted servo configuration parameters in the machine parameter files. This typically happens after incomplete parameter restoration, corrupted MP files, or when servo axis configuration data is missing from the system files.
Safety
Causes and Fixes
Access machine parameter overview
Press MOD key, select 'Machine Parameters', then navigate to 'Servo' section to check parameter completeness.
Use Ctrl+F to search for specific MP numbers quickly
Verify axis configuration parameters
Check MP1010 (axis assignment), MP1020 (reference point), and MP1030 (software limit switches) for all configured axes.
Do not modify parameters without proper backup
Restore from backup
Navigate to MOD > Data Transfer > Restore and reload the complete machine parameter backup file (.MP extension).
Always verify parameter checksum after restoration
Perform parameter validation
Execute PLC function 'Check Machine Parameters' from MOD > Diagnostics > Parameter Check to validate configuration integrity.
Call a technician if:
Prevention
Common Mistakes
Seeing Multiple Alarms?
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