Code 230-0229: Missing entity (%2) in configuration data for axis %3
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Missing entity (%2) in configuration data for axis %3 alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
[Cause of error] A required parameter is missing in the configuration. [Error correction] Check the configuration. If more than one parameter block is assigned to this axis, no other block than block 0 must be complete. However, the extended parameter block key must be entered in configuration date CfgKeySynonym->key and the corresponding basis block key in configuration date CfgKeySynonym->relatedTo.
Source: HEIDENHAIN NC Error Messages — TNC7/640/620/320/128, CNC PILOT 640, MANUALplus 620 (10/2023)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Heidenhain TNC Series CNC Alarms
Heidenhain controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 230-0229 on the TNC Series CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Heidenhain's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 4497 Heidenhain TNC Series CNC codes.
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