Mori Seiki Ex Alarm List ✦ Genuine & Confirmed

The main coolant tank volume is too low to safely run the pumps.

For machinists and maintenance technicians working on Mori Seiki EX-series lathes (such as the SL-150/250EX or NL series), the Alarm List is the primary interface for troubleshooting. Having spent considerable time decoding these errors, here is my breakdown of its usability, structure, and effectiveness.

– Safety door interlock is active; the door must be closed to start the cycle. Turret & Tooling Alarms Turret Illegal Movement

Cannot start spindle, cannot run program. Troubleshooting: mori seiki ex alarm list

Because these are machine-specific rather than control-specific, they vary between a Mori Seiki NLX lathe and an NHX machining center. Always refer to your machine’s specific for the definitive EX list tailored to your serial number.

Here are a few examples of common alarms found on the Mori Seiki EX alarm list:

When an EX alarm does not have a simple mechanical fix, your primary diagnostic tool is the . This is the visual representation of the PLC program. Here is how to approach it: The main coolant tank volume is too low

Machining Center Specific Alarms (DuraVertical, NV, NH, NHX) EX0601 / EX601: ATC Tool Change Cycle Time Over

Decrease in hydraulic pressure; often tied to pump or piping issues .

– The turret station is not indexed to the correct home position. EX0356/0357: Turret Index Time Over – Safety door interlock is active; the door

The control detects that the front operator door is open during a cycle, or the safety switch is malfunctioning.

Ensure a part is properly loaded. Adjust the proximity sensors on the back of the hydraulic actuator cylinder to properly read the stroke of the drawtube. EX0350 - Tailstock Barrier / Interlock Violation