: Indicates an issue with the mill spindle drive or amplifier.
: If the alarm message is vague, seasoned operators use the NC Ladder screen to find the specific bit (e.g., an X-input or R-bit) triggering the alarm. This tells you exactly which sensor or switch the machine is waiting for. mori seiki ex alarm list
: The turret moved without a command; requires checking the driver or clamp signal. Troubleshooting Tips Mori Seiki Alarm Codes Overview | PDF - Scribd : Indicates an issue with the mill spindle