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代碼 25001: Axis %1 hardware fault of passive encoder

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 Axis %1 hardware fault of passive encoder 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 = Axis name, spindle number Definitions: The signals from the currently inacti ve position actual value encoder ar e missing, or they are not of the same phase, or they exhibit grounding/short-circuit. For PROFIdrive only: MD36310 $MA_ENC_ZERO_MONITORING >100 replaces the existing PowerOn alarm by the Reset alarm 25011. MD36310 $MA_ENC_ZERO_MONITORING >100 replaces the existing Reset alarm by the Cancel alarm 25011. Reaction: Alarm display. Remedy: Please inform the authorized personnel/service depar tment. Check measuring circuit connectors for correct contacting. Check encoder si gnals and replace the encoder if faults are found. Switch off monitoring with the corresponding inte rface signal DB31,... DBX1.5 / 1. 6 = 0 (Position measuring system 1/2 ). Monitoring can be switched off by setting MD36310 $MA_ENC_ZERO_MONITORING[n] to 100 (n = encoder number: 1,2). 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 25001 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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