Code 293-0012: Faulty configuration of the nominal position value filters
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Faulty configuration of the nominal position value filters 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] The following filter parameters are no longer supported and must no longer be configured: - CfgFilter/typeFilter1, typeFilter2, orderFilter1, orderFilter2, - CfgPositionFilter/filter1Shape, filter2Shape, filter1LimitFreq, filter2LimitFreq [Error correction] The old parameters of the position nominal value filter are automatically deleted by a correctly run configuration update. The following conditions must be met in order to conduct the update: - The config object CfgFilter must completely match the old level (with no new parameters). - Either only new parameters or only old parameters are permitted for each CfgPositionFilter config object in the system.
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 293-0012 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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