Code 600-030D: There are no longer any free tool mount locations or
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical There are no longer any free tool mount locations or 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
tool does not fit in carrier due to the mount type. %1 [Cause of error] The tool carrier is full, or the tool or the vacant locations in the carrier do not share the same mount types. [Error correction] If the mount type is incorrect, adjust the mount type of the tool to the mount type of the tool-carrier mount positions. [1210] 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 600-030D 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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