Code M01-1115: P torque stopper disabled
Issue Description & Safety Warning
The Mitsubishi M800/M80 CNC has triggered a critical P torque stopper disabled 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 Proportional torque stopper control is commanded to the axis which the parameter "#2296 SV096(TQC)" (Constant torque control: Stopper- direction torque) setting is "0". Proportional torque stopper control is commanded to t he axis which is in movem ent by automatic or man- ual operation. The axis movement is commanded to the axis which is in the proportional torque constant control. Proportional torque constant control is commanded a gain during the axis movem ent by proportional torque constant control cancel. Proportional torque constant control axis is at stroke limit or H/W stroke end. Remedy Check the program. Check the sequence program.
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 M01-1115 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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