Code P151-000: Radius compen during arc mode
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical Radius compen during arc mode 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 compensation command (G40, G41, G42, G43, G44, or G46) has been issu ed in the arc modal (G02 or G03). Remedy Issue the linear command (G01) or rapid traverse command (G00) in the compensation command block or cancel block. (Set the modal to li near interpolation.)
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 P151-000 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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