代碼 207940: <location>Sync-line-drive: Synchronization error
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>Sync-line-drive: Synchronization error 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: OFF2 Acknowledge: IMMEDIATELY Cause: After synchronization has been completed, the phase difference (r3808) is greater than the threshold value, phase synchronism (p3813). OFF1 or OFF3 response, while the closed-loop phase control is active (r3819.6 = 1) or synchronism reached (r3819.2 = 1). Enable signal withdrawn (p3802 = 0), while the cl osed-loop phase control was active (r3819.6 = 1). SINAMICS-Alarms Remedy: If required increase the threshold value phase synch ronism (p3813) for sync hronizing the line supply to the drive. Before OFF1 or OFF3, complete synchronizing (r03819.0 = 0). Before withdrawing the enable signal (p3802 = 0), reach synchronism (r3819.2 = 1). See also: p3813 (Sync-line-drive phase synchronism threshold value)
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 207940 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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