Mori Seiki Ex Alarm List May 2026

These alarms appear across multiple platforms—lathes (NL, DuraTurn, CTX), mills (NH, NMV), and mill-turns (NT, MT). mori seiki ex alarm list

| EX Alarm | Typical Message | Common Cause | |----------|----------------|---------------| | EX1001 | DOOR OPEN | Safety interlock – door switch open during auto operation. | | EX1002 | TOOL LIFE OVER | One or more cutting tools have exceeded their preset tool life (counts or time). | | EX1003 | LOW AIR PRESSURE | Air supply < 0.4-0.5 MPa. Pneumatic chuck/clamp cannot actuate. | | EX1004 | CHUCK UNCLAMPED | Chuck unclamp confirmation sensor not made. | | EX1005 | TAILSTOCK NOT RETRACTED | Tailstock quill not fully back during part unload. | | EX1006 | COOLANT LEVEL LOW | Coolant tank level below minimum sensor. | | EX1007 | HYDRAULIC UNIT OVERTEMP | Hydraulic oil temp > 55°C (131°F). | | EX1008 | SPINDLE OIL FILTER CLOGGED | Spindle oil filter differential pressure high. | | EX1009 | CHIP CONVEYOR OVERLOAD | Chip conveyor motor thermal overload relay tripped. | | EX1010 | BAR FEEDER ALARM | External bar feeder fault (e.g., bar empty, feeder misaligned). | | EX1011 | LUBRICATION PRESSURE LOW | Centralized lube pump pressure switch open. | | EX1012 | SPINDLE ORIENTATION FAIL | M19 spindle orientation not completed within time. | | EX1013 | TOOL CLAMP/UNCLAMP ERROR | ATC (automatic tool changer) – tool not clamped or unclamped correctly. | | EX1014 | COUNTER SPINDLE SYNCHRO FAIL | C-axis or spindle sync error on twin-spindle lathe. | | EX1015 | SAFETY CIRCUIT TRIPPED | Emergency stop button, light curtain, or safety relay open. | Alarm: 1010 / X-axis SERVO ALARM

While third-party websites offer "free" alarm lists, they are often incomplete or for outdated controls (e.g., Yasnac LX3). For the most accurate and machine-specific data: Alarm: 1011 / OVERLOAD (SPINDLE/SERVO)

Warning: Do not confuse EX alarms with SV (Servo) alarms or OT (OverTravel) alarms. Resetting an EX alarm often requires cycling power or entering a specific reset M-code (such as M470 on DuraTurn series to reset chip conveyor faults).