代碼 201664: <location>SI CU: No automatic firmware update
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 <location>SI CU: No automatic firmware update 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: SERVO, VECTOR Reaction: OFF2 Acknowledge: IMMEDIATELY (POWER ON) Cause: When booting, parameter p7826 "automatic firmware update" did not have the value "1" that is required for the automatic firmware upgrade/downgrade. This means that when the safety functions are enabled, an inadmissible combi nation of versions can occur. Note: This fault does not result in a safety stop response. See also: p7826 (Firmware update automatic) Remedy: For enabled drive-based SI monitoring: 1. Set parameter p7826 to the value 1 2. Save the parameter (p0977 = 1) and carry out a power-on reset When de-activating the drive-bas ed SI monitoring (p9601 = 0), the alarm can be acknowledged after exiting the safety commissioning mode.
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 201664 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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