2934 E009
Incorrect gear range
Heidenhain · NC Control
What does 2934 E009 mean?
An internal software error related to incorrect gear range selection has occurred. This typically points to a logic issue within the NC control's software.
Common Causes
- Internal software error.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the machine's configuration for any programmed gear changes or gear ratio settings that might be incorrectly defined.
- 2
Verify the current software version of the NC control and related modules for any known bugs or available updates concerning gear range management.
- 3
Perform a system reboot of the NC control to clear any transient software errors that might be causing the issue.
- 4
Document the exact operating conditions and program leading to the error for further investigation by a service agency.
Verified technical data. Last updated: March 2026
Related Faults
Source: Heidenhain NC Control