Mori Seiki Ex Alarm List · Limited

Check the tailstock limit switch positions. Verify the hydraulic pressure assigned specifically to the tailstock stroke. Clean away chips from the base tracking sensors.

: A fault in the spindle's electrical drive system.

The spindle cannot start because the sensors do not detect that the chuck is safely clamped onto a part (or safely unclamped during automated bar feeding).

: Attempted cycle start during tailstock movement or with the quill in the wrong position. EX0069 - Door Lock Check Time Over mori seiki ex alarm list

Chips packed behind the turret, low hydraulic pressure, or failed limit switches. EX0401: ATC Magazine Index Error

While you should always consult the specific wiring diagrams and ladder manuals for your exact machine serial number, the following list represents the most frequently encountered EX alarms across Mori Seiki platforms. 1. Fluid, Pressure, and Lubrication Alarms

Mori Seiki are machine-specific (external) errors typically generated by the machine's PLC rather than the core CNC system (like Fanuc) . These alarms generally relate to physical interlocks, hardware sensors, and peripheral operations like the turret, tailstock, or lubrication system . Common EX Alarm Categories Check the tailstock limit switch positions

Watch the status bits ( 0 or 1 ) toggle when you manually trigger the sensor. If a sensor does not change state when metal is placed in front of it, the sensor or its cable is defective. Step 4: Clear the Alarm Safely Once the physical cause is addressed: Press the key on the MDI panel.

Check your shop air supply compressor. Ensure the machine’s water separator filter isn't filled with water. Adjust the main intake regulator back up to factory specification (usually 0.5 MPa). Door and Interlock Alarms EX0201 / EX201: Door Interlock Chute / Gate Open

Tell you which on specific models.

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

Look up the status of the inputs ( X addresses) and outputs ( Y addresses) relative to the component throwing the error.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. : A fault in the spindle's electrical drive system

: Door interlock or door lock check time over.

Mori Seiki EX Alarm Code List | PDF | Switch | Equipment - Scribd