Code M03-0003: Entry in interfere warn area
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical Entry in interfere warn area alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Details A command has been given that causes two or more interf ering objects to enter the interference warning area. yy : Interference object definition number (1) zz : Interference object definition number (2) Remedy Interfering objects are in t he interference warning area. If an operational problem is expected to occur, stop moving the axes with feed hold, cancellation of manual axis movement or reset.
Source: Mitsubishi M800/M80/E80 Series Alarm/Parameter Manual (IB-1501279)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Mitsubishi M800/M80 CNC Alarms
Mitsubishi controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code M03-0003 on the M800/M80 CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Mitsubishi's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 722 Mitsubishi M800/M80 CNC codes.
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