Excessive heat in the electrical cabinet; check filters/fans. LUBE PRESSURE Oil-air lubricant pressure is too low. Z-AXIS OVERLOAD Z-axis is overloaded during operation. BATTERY LOW Change the battery for memory backup. Execute safety validation test before starting operation. Mori Seiki Alarm Codes Overview | PDF - Scribd
A significant percentage of EX errors are caused by proximity switches covered in metal chips, oil scum, or cutting fluid. Wipe the face of the sensor clean and check if the diagnostic LED on the back of the sensor toggles when metal passes by. Step 4: Consult the Diagnostic / PMC Screen
. These alarms often relate to machine-specific mechanical conditions, safety interlocks, and auxiliary equipment. Common Mori Seiki EX Alarms EX0006 - Wrong Combination of M-Codes : An invalid set of M-commands was given simultaneously. EX0018 - Need Zero-Return
Navigate to the machine's message screen to view the active alarm history. PLC-specific alarms like EX codes can often be traced back to a specific "coil" or signal in the LADDER diagram (e.g., searching for signal X1009.5 for door sensors) . mori seiki ex alarm list
Check the way wipers frequently. Damaged wipers allow fine chips to bypass guards, eventually settling on axis limit switches and triggering physical overtravel EX errors.
pressed together with the O.T. release button after the hard O.T. limit switch has been. tripped. EX0064, AUTO-DOOR OPEN, ALM0064, Mori Seiki EX Alarm Code List | PDF | Switch - Scribd
Turret errors are common on lathes after an accidental tool bump or collision. Excessive heat in the electrical cabinet; check filters/fans
The thermal relay for the chip conveyor motor has tripped.
Sensors failed to verify that the turret successfully clamped or unclamped.
– Cycle start was attempted while the write-protect key was in the "ON" position. Chuck Unclamped BATTERY LOW Change the battery for memory backup
Some alarms require a full power cycle or a specific manual reset procedure (like re-homing an axis using "P+CAN") to clear .
Clean or replace the filters on the electrical cabinet doors and hydraulic heat exchangers. Electrical Integrity
He pulled up the on the MAPPS IV panel. It wasn't just a list; it was a confession. The list was divided into sections: EX 1000s for tool management, EX 2000s for hydraulics, EX 3000s for safety interlocks. The problem was, the manual’s description for EX 1047 was frustratingly vague: "Abnormal load on magazine servo. Check physical interference and servo parameters."
Often, a metal chip or a bent switch causes the alarm. Clean around the turret, ATC, and doors. 4. Summary Table of Common EX Alarms Alarm Code Description Typical Cause EX0069 Door lock time over Interlock solenoid or proximity switch failure. EX0095 Turret illegal movement Unclamp sensor failure or hydraulic pressure loss. EX1557 Coolant flow too low Clogged filter, low coolant, or faulty flow switch. EX4004 Please close the door Safety interlock preventing spindle rotation. EX3402 Spindle cooler flow off Low oil level in cooler or pump failure.
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