Mori Seiki Ex Alarm List Review

Mori Seiki (DMG MORI) EX Series — Alarm List Write-up

Overview

The Mori Seiki EX series (now DMG MORI EX) are high-performance CNC turning centers known for rigidity, accuracy, and productivity in metalworking. The alarm (error) system on these machines provides numeric and sometimes alphanumeric codes that indicate faults in drives, spindle, axes, probes, I/O, PLC, servo, following errors, temperature, encoder issues, and safety/interlocks. Correct interpretation of alarms is critical for safe, fast troubleshooting and minimizing downtime.

: The incoming air pressure has dropped below the operational threshold. EX1047 - PMC Parameter Error mori seiki ex alarm list

Step-by-Step Procedure (Fanuc-based Mori Seiki)

1. Press the ‘SYSTEM’ hard key on the MDI panel.
2. Press the soft key for ‘PMC’ (Programmable Machine Controller) or ‘PLC’ (depending on software version).
3. Navigate to ‘ALARM’ or ‘MESSAGE’ using the soft keys.
4. You will see a list of active EX alarms. In many models, pressing ‘HISTORY’ shows the last 50 EX alarms with timestamps.

Most modern Mori Seiki (DMG MORI) machines allow you to press the Mori Seiki (DMG MORI) EX Series — Alarm

• Open electrical cabinet, find thermal overload relay (labeled "CV" or "CONV").
• Press blue reset button on the relay.
• If it trips immediately: jammed conveyor – remove chips manually.
• Check conveyor motor rotation direction (reverse wiring possible after motor replacement). Prevention: Run conveyor at end of every cycle; remove long stringy chips periodically.

Common Mori Seiki Ex Alarms