Mori Seiki Alarm List Official

– The safety door must be shut before starting an automatic cycle.

Press [SYSTEM] -> [HISTORY] . This shows what happened just before the alarm. For example, if an axis overloaded (SV0436), the history might show the axis was moving at rapid traverse just prior, suggesting a crash. mori seiki alarm list

These are generated by the core controller (e.g., Fanuc or Mitsubishi). They usually relate to programming errors, servo system faults, or internal memory issues. – The safety door must be shut before

| Code | Fix in 10 words or less | | :--- | :--- | | EMG 001 | Release red button. Check door switch. | | SV 370 | Release Z brake red knob behind motor. | | SP 452 | Clean orient sensor near spindle pulley. | | EX 1020 | Fill coolant tank. Tap float with screwdriver. | | P/S 041 | Decimal point missing? Add zero: G01 X10 → X10.0 | For example, if an axis overloaded (SV0436), the

These codes vary by model but generally follow these patterns.

Do not confuse a mechanical crash with an electrical alarm . If the machine made a loud noise before the alarm, inspect ways, ballscrews, and bearings first—clearing the alarm without fixing the mechanical damage will destroy the servo motor.

| Prefix | Meaning | Common Cause | | :--- | :--- | :--- | | | Emergency Stop | Hard limit overtravel, E-stop button pressed, door open in Auto mode. | | SV | Servo Alarm (Axis) | Overload, overheat, encoder cable break, servo amp failure. | | SP | Spindle Alarm | Spindle drive overload, gear change failure, orientation fault. | | EX | External / PLC Alarm | Coolant low, air pressure low, chip conveyor jam, tool clamp error. | | P/S | Program / Syntax | Illegal G-code, divide by zero, buffer overflow. | | OT | Overtravel | Soft limit exceeded (Z+, X-, etc.). | | WM | Warm-up / Maintenance | Lubrication interval reached, filter change required. |