Yaskawa Error Code and Repair Guides - 23 Guides
Yaskawa industrial controls troubleshooting hub with 23 guides for fault codes, alarms, symptoms, parts checks, and repair decisions.
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".
Start With These Yaskawa Guides
Yaskawa FAQ
Where should I start with Yaskawa error codes?
Start with the exact Yaskawa model and displayed code or alarm, then open the closest guide on this page. Match the symptom, recent service history, and any secondary codes before resetting the equipment or ordering parts.
Do Yaskawa fault codes always mean a bad control board?
No. Many Yaskawa codes point to airflow, water flow, sensors, wiring, power quality, filters, switches, or operating conditions. Check the simple causes in the guide before replacing an expensive board.
When should I stop troubleshooting a Yaskawa fault myself?
Yaskawa industrial alarms can involve stored energy, moving machinery, high-voltage drives, servo systems, and production interlocks. Stop and use the repair checklist or compare service options when the guide points to line voltage, machine guarding, stored energy, safety circuits, or repeated faults after a reset.
| Error Code | What It Means | Guide |
|---|---|---|
| Yaskawa GA700 Fault UV1 | Main Circuit Undervoltage Causes & Fix | Fix → |
| Yaskawa GA700 OC Fault | Overcurrent Fix | Fix → |
| Yaskawa SGD7S Fault Codes | Sigma-7 Alarm List | Fix → |
| Yaskawa VFD Fault Codes | Complete Reference (V1000, A1000, GA700) | 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 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 J1000 VFD Fault Codes | Yaskawa J1000 guide for OC, OV, UV, OL1, OL2, OH, and GF trips, including load checks, motor wiring, acceleration settings, and cooling faults. | Fix → |
| Yaskawa P1000 Fault Codes | OC, OV, UV1, OH, LF, GF, OL1 Fixes | Fix → |
| Yaskawa V1000 Complete Fault Code Guide | All Faults and Fixes | Fix → |
| Yaskawa V1000 OC Overcurrent Fault | Yaskawa V1000 OC guide for OCA, OCb, and OC overcurrent trips, motor insulation, acceleration time, load checks, and reset decisions. | Fix → |
| Yaskawa VFD Fault BB | Causes & Fix | Fix → |
| Yaskawa VFD Fault CF | Causes & Fix | 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 Overvoltage | Yaskawa OV guide for DC bus overvoltage trips on A1000, V1000, and GA500 drives, including decel ramps, braking resistors, and line voltage. | Fix → |
| Yaskawa VFD Fault PF | Causes & Fix | Fix → |
| Yaskawa VFD Fault SC | Causes & Fix | Fix → |
| Yaskawa VFD Fault UV1 | Causes & Fix | Fix → |