代碼 120010: PCU temperature alarm
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 PCU temperature alarm 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
Definitions: The temperature sensor on the PCU modu le has reached the response threshold. Interface bit DB10.DB103.6 will be set. Remedy: Switch off the PCU and let it cool off. Improve the ventilation of the PCU module. Check the function of the fan of the PCU module (fan defect). If the error is displayed again, please inform the authorized service personnel. HMI-Alarms
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 120010 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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