Mori Seiki Alarm List [updated] 99%

This content is for educational purposes. Mori Seiki/DMG MORI machines vary widely by year and control type (Mori Seiki MS, MAPPS, Fanuc 16i/18i/30i/31i). Always consult the specific Operator’s Manual and Maintenance Manual for your specific serial number before attempting repairs.

Understanding Mori Seiki alarm codes is essential for keeping your CNC machines running smoothly. Alarms typically fall into two categories: (from the Fanuc or Mitsubishi control) and Machine Alarms (often prefixed with EX , specific to Mori Seiki's PLC). 🛠️ Common Mori Seiki "EX" Alarms mori seiki alarm list

| Alarm Code | Message | Operator Action | | :--- | :--- | :--- | | | Coolant Tank Low Level | Refill coolant (10% emulsion). Reset float switch. | | EX 1033 | Chip Conveyor Motor Overload | Clear jammed chips. Press red reset button on conveyor motor box. | | EX 2055 | Auto Door Latch Failed (NLX/NZX) | Clean door rail. Check air solenoid (24V). | | WM 0001 | Weekly Lube Cycle Required | Push "Lube Manually" button. Run spindle at 500 RPM for 5 min. | | P/S 041 | Illegal G-code (G00.1 not allowed) | Check program for decimal point errors or modal conflicts. | This content is for educational purposes

| Code | Message | Description & Solution | | :--- | :--- | :--- | | | Improper G-Code | A G-code was used that is not available in the current model or mode. Check the programming manual. | | P/S 020 | Radius of Arc Error | In a circular interpolation (G02/G03), the calculated radius differs from the endpoint. Check R values. | | P/S 070 | Memory Capacity Full | The program storage is full. Delete unused programs. | | P/S 076 | Address P not Defined | In a sub-program call (M98), the P address (program number) is missing. | | P/S 111 | Argument Error | A value outside the allowable range was entered in a custom macro. | | P/S 222 | Background Edit Active | Attempting to run a program while editing another in the background. Stop editing first. | Understanding Mori Seiki alarm codes is essential for