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代碼 207969: <location>Drive: Incorrect pole position identification

問題描述與安全警告

Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>Drive: Incorrect pole position identification 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: %1 Drive object: VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY Cause: A fault has occurred during the pol e position identification routine. Fault value (r0949, interpret decimal): 1: Current controller limited 2: Motor shaft locked. SINAMICS-Alarms Diagnostics Manual (DAsl), 03/2009 4: Encoder speed signal not plausible. 10: Stage 1: The ratio between the measured current and zero current is too low. 11: Stage 2: The ratio between the measured current and zero current is too low. 12: Stage 1: The maximum current was exceeded. 13: Stage 2: The maximum current was exceeded. 14: Current difference to determine the +d axis too low. 15: Second harmonic too low. 16: Drive converter too smal l for the measuring technique. 17: Abort due to pulse inhibit. 18: First harmonic too low. 20: Pole position identification requested with the mo tor shaft rotating and activated flying restart function. Remedy: Re fault value = 1: Check whether the motor is correctly connected. Check whether motor data have been correctly entered. Replace the Motor Module involved. Re fault value = 2: Open the motor holding brake (p1215) and bring the motor into a no-load condition. Re fault value = 4: Check whether the encoder pulse number (p0408) and gearbox factor (p0432, p0433) are correct. Check whether the motor pole pair number is correct (p0314). Re fault value = 10: When selecting p1980 = 4: Increase the value for p0325. When selecting p1980 = 1: Increase the value for p0329. Check whether the motor is correctly connected. Replace the Motor Module involved. Re fault value = 11: Increase the value for p0329. Check whether the motor is correctly connected. Replace the Motor Module involved. Re fault value = 12: When selecting p1980 = 4: Reduce the value for p0325. When selecting p1980 = 1: Reduce the value for p0329. Check whether motor data have been correctly entered. Re fault value = 13: Reduce the value for p0329. Check whether motor data have been correctly entered. Re fault value = 14: Increase the value for p0329. Re fault value = 15: Increase the value for p0325. Motor not sufficiently anisotropic, change the technique (p1980==1 or 10). Re fault value = 16: De-activate traversing/moving (p1982). Re fault value = 17: Repeat traversing. Re fault value = 18: Increase the value for p0329. Saturation not sufficient, change the technique (p1980==10). Re fault value = 20: Before carrying out a pole position identification rout ine ensure that the motor shaft is absolutely stationary (zero speed).

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 207969 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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