Code 140-0064: Software option '%1' is disabled by the configuration
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Software option '%1' is disabled by the 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
[Cause of error] - The software option is locked by configuration. The software option is therefore not available, although it has been enabled in the SIK. - Observe any changed machine behavior (for example, when DCM collision monitoring is locked)! [Error correction] - Re-enable the software option in the SIK dialog to restore the original behavior. - 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 140-0064 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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