Article last updated: October 2025. Specifications subject to change without notice by Mitsubishi Electric Corporation.
| Alarm Code | Problem | Likely Fix | | :--- | :--- | :--- | | | Encoder communication error | Check CN2 connector for bent pins; replace cable. | | AL.32 | Overcurrent | Test motor winding resistance between U-V, V-W, W-U (should be ~0.8 ohms). | | AL.51 | Overspeed | Reduce command pulse frequency or check feedback cable shield. | | AL.E9 | Main circuit undervoltage | Measure L1-L2 (should be >170V AC). | kuzu v0 120
The Kuzu V0 120 is the best choice if you are already using Mitsubishi PLCs (FX or Q series) due to native CC-Link IE Field integration. Yaskawa wins on ultra-smooth torque ripple below 1 RPM. 8. Maintenance Schedule for Longevity To ensure your Kuzu V0 120 runs for 10+ years, follow this maintenance checklist: Article last updated: October 2025
| Interval | Action | | :--- | :--- | | | Visually inspect the oil seal on the output shaft for leakage. | | Every 10,000 hours | Measure winding insulation resistance (should be >10 MĪ© at 500V DC). | | Every 3 years | Replace the electrolytic capacitor inside the driver (MR-J4-100A). | | As needed | Regrease the bearings with Mitsubishi standard grease (Molykote BR-2 Plus). | | | AL
| Feature | Kuzu V0 120 | Yaskawa SGM7G-12A | Siemens 1FK7034 | | :--- | :--- | :--- | :--- | | | 120 Nm | 115 Nm | 118 Nm | | Inertia Class | Medium | Low | Medium | | Encoder Resolution | 22-bit (Absolute) | 24-bit (Absolute) | 22-bit (Absolute) | | IP Rating | IP67 | IP65 | IP65 | | Price Index | $$ (Mid-range) | $$$ (Premium) | $$ (Mid-range) | | Availability | High (Asia/Pacific) | High (Global) | High (Europe) |