Code M50-5004: Spindle/C axis displacement
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical Spindle/C axis displacement 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 displacement occurred when switching axis from spindle mode to C axis mode. Remedy Contact our service center. Cancel the alarm by resetting. Parameter set mode Details The setup parameter lock is released. Cycle start is disabled when setup parameters can be set. Remedy Refer to the manual issued by the machine tool builder. Maintenance part activated Details Activated maintenance part has not completed the product procedures. Remedy Contact our service center. 2 Stop Codes (T)
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 M50-5004 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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