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代碼 27251: PROFIsafe: F module %1, %2 reports error %3

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 PROFIsafe: F module %1, %2 reports error %3 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

Parameters: %1 = PROFIsafe address %2 = Reporting component (master/slave) %3 = Error code Definitions: An error occurred in the PROFIsafe communication between the F master and the specified F module which was detected by the component (master/slave) shown in parameter %2. The error code specifies the error type: - %3 = TO: The parameterized communication timeout was exceeded - %3 = CRC: A CRC error was detected - %3 = CN: An error in the time sequence of the F messages was detected - %3 = SF: F master error, NCK/PLC are no longer synchronous - %3 = EA: Communication error, slave sends empty messages Reaction: Mode group not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Trigger a STOP D/E (settable via MD $MN_SPL_STO P_MODE) on all axes with safety functionality. Diagnostics Manual (DAsl), 03/2009 Remedy: Check the DP wiring. Restart F slave modules. Restart the NCK/PLC. Program Continuation: Clear alarm with the RESET key. Restart part program

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 27251 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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