Yaskawa Error Code Reference — All 22 Codes
Complete Yaskawa error code cheat sheet. All 22 fault codes with plain-English explanations and direct links to fix guides.
Use this page when your Yaskawa drive, CNC, servo, or controls hardware posts an alarm during production. Start with the exact code, then open the fix guide for overloads, encoder faults, communication alarms, power quality issues, and drive or board failures.
Tip: search the exact brand, model, and alarm together, for example "Yaskawa F0001" or "Yaskawa overcurrent fault".
| Error Code | What It Means | Guide |
|---|---|---|
| Yaskawa A1000 Fault Code OC | Overcurrent Diagnosis & Fix | Fix → |
| Yaskawa A1000 Fault UV1, DC Bus Undervoltage Causes & Fix | What Yaskawa A1000 UV1 means, why the drive sees DC bus undervoltage, and how to diagnose input power, contactor, and weak-supply problems. | Fix → |
| Yaskawa A1000 OC Fault | Overcurrent | Fix → |
| Yaskawa GA700 Fault UV1 | Main Circuit Undervoltage Causes & Fix | Fix → |
| Yaskawa GA700 OC Fault | Overcurrent Fix | Fix → |
| Yaskawa J1000 Fault Codes | VFD Troubleshooting Guide | Fix → |
| Yaskawa Sigma-7 SGD7S Servo Drive Alarm Codes | Diagnosis & Fix | Fix → |
| Yaskawa U1000 Fault Codes: Complete Guide | Yaskawa U1000 matrix drive fault codes and diagnostics. Fault codes, causes, and technician-level troubleshooting for U1000 industrial drives. | Fix → |
| Yaskawa V1000 Complete Fault Code Guide | All Faults and Fixes | Fix → |
| Yaskawa V1000 OC Fault | Overcurrent | Fix → |
| Yaskawa VFD Fault BB | Causes & Fix | Fix → |
| Yaskawa VFD Fault CF | Causes & Fix | Fix → |
| Yaskawa VFD Fault Codes | Complete Reference (V1000, A1000, GA700) | Fix → |
| Yaskawa VFD Fault ER | Causes & Fix | Fix → |
| Yaskawa VFD Fault GF | Causes & Fix | Fix → |
| Yaskawa VFD Fault LF | Causes & Fix | Fix → |
| Yaskawa VFD Fault OC | Overcurrent Fix | Fix → |
| Yaskawa VFD Fault OH | Causes & Fix | Fix → |
| Yaskawa VFD Fault OV | DC Bus Overvoltage Fix | Fix → |
| Yaskawa VFD Fault PF | Causes & Fix | Fix → |
| Yaskawa VFD Fault SC | Causes & Fix | Fix → |
| Yaskawa VFD Fault UV1 | Causes & Fix | Fix → |