代碼 Uv3: Undervoltage 3 (Soft-Charge Bypass Circuit Fault)
問題描述與安全警告
Yaskawa A1000 AC Drive 觸發了嚴重的 Undervoltage 3 (Soft-Charge Bypass Circuit Fault) 警報。需要由合格的操作員或維修技師立即處理，以防止在製造週期中對設備造成二次損壞或導致零件報廢。在接觸電氣控制箱之前，請務必確保遵循標準安全和停機掛牌 (LOTO) 程序。
官方故障排除步驟
Code type: Fault Manual section: Yaskawa A1000 Troubleshooting The relay or contactor on the soft-charge bypass circuit is damaged. - Cycle power to the drive and see if the fault reoccurs. - If the problem continues, replace either the control board or the entire drive. For instructions on replacing the control board, contact Yaskawa or your nearest sales representative. - Check monitor U4-06 for the performance life of the soft-charge bypass. - Replace either the control board or the entire drive if U4-06 exceeds 90%. For instructions on replacing the control board, contact Yaskawa or your nearest sales representative.
Source: Yaskawa AC Drive A1000 High Performance Vector Control Drive Technical Manual (SIEP C710616 21H)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Yaskawa A1000 AC Drive 警報
由 Yaskawa 製造的工業控制器具有廣泛的診斷系統，用於保護內部電路和機械連桿。當 A1000 AC Drive 出現類似 Uv3 的錯誤代碼時，通常表示指令值與實際感測器回饋之間存在不匹配。
完整警報清單: 280 Yaskawa A1000 AC Drive 代碼s.
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