Code 280-0600: Tolerance in the parameter measureTolerance[1;2] is too low
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Tolerance in the parameter measureTolerance[1;2] is too low 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 tolerance entered in the "measureTolerance1" parameter cannot be achieved during tool radius measurement with the TT. [Error correction] - Increase the permissible tolerance for finding tool teeth with spindle orientation in the "measureTolerance2" parameter - Reduce the positioning window of the spindle in the "posTolerance" parameter - Check whether a burr has formed on the probe contact. Remove the burr, if there has. - Exchange the tool touch probe, if required
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 280-0600 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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