Mori Seiki Ex Alarm List Now

Note: Exact alarm numbers and wording can vary slightly depending on your specific machine model, build year, and PLC version. Always consult the electrical schematics and ladder diagram shipped with your specific serial number. EX0001 - EX0099: Door Interlock and Safety Alarms

Triggered when the way lube reservoir is empty or the lubrication pump fails to build adequate pressure within a set time cycle.

The coolant tank level is too low.

The CNC safety circuit detects that the operator door is unlatched during automatic execution.

Clean the safety switch assembly. Replace the door interlock switch if internal contacts are failing. 4. Chuck, Tailstock, and Fixture Alarms (EX0600 - EX0799) mori seiki ex alarm list

Fix: Check your shop air supply compressor. Inspect the machine's air regulator/filter combo unit at the rear of the machine for water accumulation or a clogged element.

The spindle is not in the correct position for tool changes or automatic handling. Hydraulic, Lubrication & Coolant Alarms Note: Exact alarm numbers and wording can vary

The tailstock quill or body is not in the correct position or lacks pressure against the part.

The is more than a table of codes – it is a diagnostic roadmap into the machine’s PLC logic. While no single article can list every possible EX alarm (Mori Seiki has produced hundreds of control variants over 40+ years), the codes and categories covered here represent the vast majority of daily production stoppages. The coolant tank level is too low

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