Mori Seiki Ex Alarm List [updated]

The way-lube system failed to build sufficient pressure during its scheduled pump cycle.

When an EX alarm brings your production to a sudden halt, follow this systematic approach to isolate and fix the root cause quickly: Step 1: Document the Exact Code and Machine Status

: An abnormality in the high-pressure coolant unit. Spindle & Turret States :

Safety interlocks protect the operator from high-speed moving parts and flying debris. mori seiki ex alarm list

Note: Always consult the specific wiring diagrams and ladder manuals shipped with your machine's serial number for exact bit assignments. The list below represents the most frequent EX codes encountered across Mori Seiki fleets. Fluid and Environmental Alarms EX0151 / EX151: Lubrication Pressure Fault

When an EX alarm does not have a simple mechanical fix, your primary diagnostic tool is the . This is the visual representation of the PLC program. Here is how to approach it:

On Mori Seiki machines (typically utilizing Fanuc, Mitsubishi, or proprietary MAPPS control systems), alarms are generally split into internal and external categories. The way-lube system failed to build sufficient pressure

Some common Mori Seiki Ex alarms include:

The chip conveyor motor drew too much current, indicating a physical jam.

Never let way lube or coolant drop near the critical minimum line. Establish a morning routine to top off all reservoirs. Note: Always consult the specific wiring diagrams and

This article provides a complete Mori Seiki EX alarm list, categorized by machine series (NL, DuraTurn, NH, NMV, etc.), along with root causes, step-by-step troubleshooting, and preventive measures.

Top up the coolant tank with the correct water-to-soluble-oil ratio. Clean the float switch if it is stuck with chips. EX0152: Coolant Pump Motor Overload

A significant majority of EX alarms are caused by environmental interference rather than component failure.