代碼 A00502: Overvoltage limit
問題描述與安全警告
Siemens SINAMICS G120 CU240S Drive 觸發了嚴重的 Overvoltage limit 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
Reaction: NONE Acknowledge: NONE Cause: Overvoltage limit is reached. This warning can occur during ramp down, if the Vdc controller is disabled (P1240 = 0). Remedy: If this warning is displayed permanently, check drive input voltage.
Source: SINAMICS G120 Control Units CU240S Faults and Alarms (Edition 05/2007)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Siemens SINAMICS G120 CU240S Drive 警報
由 Siemens 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 SINAMICS G120 CU240S Drive 出現類似 A00502 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。
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