Code M01-0095: Illegal op in dia/rad select
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical Illegal op in dia/rad select 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 An axis used in the following functions is also used as an axis to perform diameter /radius designation selection. Chopping Synchronization control Or diameter/radius designation se lection (G10.9) was issued to the axis in the above mode. Remedy Check the program. Do not carry out the following func tions using an axis to perform diam eter/radius designation selection. - Chopping - Synchronization control
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 M01-0095 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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