Mori Seiki Ex Alarm List ^hot^ Official

| Alarm Code | Probable Cause | Immediate Action | | :--- | :--- | :--- | | | Turret clamp failure (unclamped) | Check turret clamping proximity switch. Hydraulic pressure low? | | EX1506 | Turret index time out | Tool binding. Clean turret curvic coupling. Check turret motor brake. | | EX1522 | Live tool motor overload (C-axis tool) | Reset thermal overload relay in electrical cabinet. | | EX2501 | ATC (Auto Tool Changer) arm out of position | Return ATC arm manually using the hydraulic release button. | | EX2510 | Tool magazine not at position | Re-home magazine with M-code (M80/M81 on some Mori models). |

Kenji didn’t blame him. The "EX" in the alarm list stood for "External," a catch-all for everything the main NC (Numerical Control) couldn’t categorize. It was the machine’s shadow language, a place where hardware failures, PLC (Programmable Logic Controller) logic conflicts, and user errors all bled together. Unlike a simple "OVERLOAD" alarm, an EX alarm required detective work. mori seiki ex alarm list

Safety validation is required before the machine can operate. Troubleshooting "EX" Alarms Mori Seiki Alarm Codes Overview | PDF - Scribd | Alarm Code | Probable Cause | Immediate

To maximize the effectiveness of the alarm list: Clean turret curvic coupling

Since the EX series utilizes Fanuc controls (typically 16i/18i/21i or 0i-TD/TC), you will see standard Fanuc alarms.

This article serves as a complete reference guide. We will break down what EX alarms are, how to access them, the most common alarm numbers by machine series (NLX, NH, DuraTurn, etc.), their probable causes, and step-by-step solutions.