Mori Seiki Ex — Alarm List
On machining centers, the tool magazine failed to rotate to the targeted tool pot within the allocated time limit. Systematic Troubleshooting Protocol for EX Alarms
Should we discuss how to navigate the to trace PLC ladder logic?
Usually indicates an overload in a motor (spindle, coolant pump, or hydraulic motor). Check the circuit breakers/overload relays in the electrical cabinet. EX0002 (Emergency Stop):
Spindle cooling oil flow rate is abnormal. Check the oil cooler unit. 3. How to Troubleshoot EX Alarms mori seiki ex alarm list
These codes indicate that the machine's critical lifeblood systems are running low or losing pressure.
The turret failed to seat or clamp. Check for chips in the turret face. Chip Conveyor Overload
Because EX alarms are governed by the PLC, you can track them down using the PC/PMC diagnostic registers on your control: Press the key on the MDI panel. Select the PMC , PMCMNT , or DIAGN softkeys. On machining centers, the tool magazine failed to
Understanding these codes is essential for minimizing downtime and ensuring the safety of both the operator and the machine. 1. Common Mori Seiki EX Alarm Categories
: The door lock signal was not confirmed within the expected timeframe.
: Peripheral Equipment (e.g., Chip Conveyor, Bar Feeder, High-Pressure Coolant). Frequently Encountered EX Alarms Alarm Code Common Solution EX0000 Emergency Stop Check the circuit breakers/overload relays in the electrical
Check the electrical manual to see the "truth table" for that specific alarm.
Alarm: 9005 / SAFETY CIRCUIT FAULT
Hot chips, sticky coolant residue, and fine metal dust frequently collect on proximity sensors, causing false readings. Clean the sensors using a lint-free cloth.