Mori Seiki Ex Alarm List __link__ | Ultimate

| Alarm Code | Probable Cause | Immediate Action | | :--- | :--- | :--- | | | Spindle drawbar unclamp fault | Check drawbar travel sensor. Air pressure to unclamp cylinder. | | EX1312 | Spindle orientation failure | M19 not completed. Check spindle encoder belt. | | EX1320 | Low chuck hydraulic pressure (front) | Adjust regulator on hydraulic power pack to 20-25 bar (depending on chuck size). |

: The actual spindle speed does not match the commanded speed. mori seiki ex alarm list

The is more than a table of codes – it is a diagnostic roadmap into the machine’s PLC logic. While no single article can list every possible EX alarm (Mori Seiki has produced hundreds of control variants over 40+ years), the codes and categories covered here represent the vast majority of daily production stoppages. | Alarm Code | Probable Cause | Immediate