Mori Seiki Ex Alarm List
The Ultimate Mori Seiki EX Alarm List & Troubleshooting Guide
Way lube level is low and needs to be refilled . Spindle and Drive
Leave your machine model and full EX message in the comments below, or consult your local DMG Mori technical support with the 4-digit code and alarm text exactly as shown on the screen.
The oil reservoir for the slideways or spindle bearings is empty.
This guide serves as a , covering the most common codes, their causes, and proven solutions to help you get your production back on track. You will learn the difference between a PLC and NC alarm, see a detailed breakdown of specific EX codes by category, and understand a systematic step-by-step process for diagnosing and fixing the issue. mori seiki ex alarm list
These alarms prevent mechanical crashes when axes move beyond their safe operating envelopes. Meaning: An axis has hit a physical hard limit switch.
They are defined and generated by Mori Seiki (the Machine Tool Builder) rather than the control manufacturer (like Fanuc or Mitsubishi).
The Mori Seiki EX alarm system is generally split into two distinct categories, which is the first hurdle for new operators to overcome.
Triggered when an E-stop button is pressed or there is a fault in the E-stop circuit. EX0151 (Coolant Level Low): The Ultimate Mori Seiki EX Alarm List &
The Mori Seiki EX alarm list is not a nuisance—it is a . Each EX code points directly to a sensor, a logic condition, or an operator action that needs attention. By understanding the most common codes (EX1001 to EX1052) and how to systematically troubleshoot them, you can reduce average repair time from hours to minutes.
Sensors failed to verify that the turret successfully clamped or unclamped.
: Cycle start attempted with the chuck open.
The door lock confirmation signal was not received within the expected time . Turret and Tooling This guide serves as a , covering the
Pneumatic pressure has fallen below the safe operating threshold .
Clean the chip conveyor catch basins. Check the coolant tank float switch for smooth vertical travel.
: Overheating in electrical cabinets or low pressure in oil-air lubrication systems. www.scribd.com Frequent Mori Seiki EX Alarm Codes Alarm Code Description / Solution AUTO-DOOR OPEN Auto-door closed signal deactivated without a command. DOOR LOCK CHECK Door lock signal not received within the specified time. TURRET ILLEGAL
For detailed lists and diagnostic procedures, refer to these professional documentation sources:
The (e.g., NL2500, DuraTurn 2050, NH4000) The control system type (e.g., Fanuc, Mitsubishi, MAPPS IV)