Code 141-0050: Software option [%1] cannot be disabled
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Software option [%1] cannot be disabled 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] You tried to lock a software option listed in the SIK dialog using the LOCK OPTION soft key. The selected option belongs to the control's factory default setting. Options that are available as standard cannot be locked. [Error correction] Select a software option available for this control for the LOCK OPTION function. You can find the list of available software options in the Technical Manual.
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 141-0050 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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