Code 230-04DD: Input for SBC.GLOBAL configured incorrectly
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Input for SBC.GLOBAL configured incorrectly 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] For the use of the SBC.GLOBAL input terminal of the PAE module, the corresponding machine function was either not configured in the IO configuration (IOC file) or it was configured incorrectly. - No PAE module was configured. - A PAE module with an outdated version of the HDD file was configured. - More than one PAE module was configured. - SBC.GLOBAL was configured on the wrong module. [Error correction] - Check the IO configuration - Inform your service agency
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 230-04DD 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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