Code 600-0229: Corner is unsuitable for the separation point.
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Corner is unsuitable for the separation point. 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
Cond.: inner corner angle > 180 deg. - inward copy angle %1 [Cause of error] The AWG cannot follow the machining strategy resulting from the chosen separation point. [Error correction] Either machine the part with the interactive working plane generation (IWG) or change the separation point. [1200] 10/2023
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 600-0229 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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