Mori Seiki Ex Alarm List

Since EX alarms are PLC-based, they are often triggered by a limit switch, proximity sensor, or pressure switch.

Before diving into the list, it helps to understand how Mori Seiki classifies its errors:

Note: Exact alarm numbers can change based on your specific Mori Seiki model, such as an NLX lathe, NT mill-turn, or NHX vertical mill. Always check your machine manual for your exact build. mori seiki ex alarm list

Check the way-lube reservoir level. If it is full, inspect the lines for cracks or broken fittings that leak pressure. Check for clogged metering valves along the axes. Manually cycle the pump to verify if the pressure switch triggers. EX0200 to EX0299: Chuck and Tailstock Alarms

: Peripheral Equipment (e.g., Chip Conveyor, Bar Feeder, High-Pressure Coolant). Frequently Encountered EX Alarms Alarm Code Common Solution EX0000 Emergency Stop Since EX alarms are PLC-based, they are often

The automatic way lubrication system failed to build up adequate pressure within the designated time frame during a lube cycle.

When an EX alarm halts your Mori Seiki machine, follow this structured troubleshooting approach to minimize downtime: 1. View the Alarm Detail Screen Check the way-lube reservoir level

When a sensor fails to activate within a set time, or a hydraulic pressure switch remains open, the PLC triggers an EX alarm.

I can provide the precise diagnostic steps or parameter checks for your exact situation.