代碼 207401: <location>Drive: DC link voltage maximum controller de-activated
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>Drive: DC link voltage maximum controller de-activated 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
Message value: Drive object: VECTOR Reaction: NONE Acknowledge: NONE Cause: The Vdc_max controller can no longer maintain the DC link voltage (r0026) below the limit value (r1242) and was therefore switched out (disabled). - the line supply voltage is permanently hi gher than specified for the power unit. - the motor is permanently in the regenerative mode as a result of a load that is driving the motor. Remedy: - check whether the input voltage is within the permissible range. - check whether the load duty cycle and load li mits are within the permissible limits.
Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Siemens SINUMERIK 840D CNC 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 SINUMERIK 840D CNC 出現類似 207401 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: 4014 Siemens SINUMERIK 840D CNC 代碼s.
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