Code 221-006F: Faulty kinematics configuration
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Faulty kinematics configuration 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
Active kinematics %1 contains an invalid insertion point. [Cause of error] The given kinematic model contains at least one invalid insertion point for a tool-carrier kinematic model (entry under CfgKinToolSocket) [Error correction] Ensure that the kinematic model contains no more than one object of the CfgKinToolSocket type. Ensure that no objects of the CfgKinSimpleAxis or CfgKinAnchor types are located between the tool (i.e. the upper end of the kinematic chain) and the insertion point for the tool carrier.
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 221-006F 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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