Safe speed SRG exceeded %.2s
Heidenhain · NC Control
What does 2879 A110 mean?
The safe reduced speed (SRG) was exceeded for the specified axis while the protective door was open. This indicates a violation of the defined safe operating speed under reduced safety conditions.
Common Causes
- Safe reduced speed SRG was exceeded.
- Protective door was open.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Ensure all protective doors are fully closed and their interlock switches are correctly engaged before operating at speeds above the SRG limit.
- 2
Verify the SRG (Safe Reduced Speed) monitoring parameters in the NC control to ensure they are configured correctly for the machine's safety requirements.
- 3
Inspect the axis encoder feedback system for accurate speed measurement, as erroneous feedback could falsely trigger this fault.
- 4
Check the wiring and functionality of the protective door interlock switches to confirm they are reporting their status reliably.