A7469 alarm in siemens sinamics V90 drive indicates the EPOS Traversing block target position is outside the negative software limit. This means the commanded block would drive the axis past its safe negative boundary.
Cause: In the traversing block the specified absolute target position lies outside the range limited by the software limit switch minus.
Remedy:
- Correct the traversing block.
- Change software limit switch minus (p2580).