代碼 4012: Invalid identifier used in machine data %1[%2]
問題描述與安全警告
Siemens SINUMERIK 840D CNC 觸發了嚴重的 Invalid identifier used in machine data %1[%2] 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 = String: MD identifier %2 = Index: MD array Definitions: The selected identifier is invalid. Valid identifiers are: - AX1 - AXn: Machine axis identifiers - N1AX1 - NnAXm: Link axis identifiers (NCU + ma chine axis), only for ' NCU-Link' expansion level! - C1S1 - CnSm: Container axis identifiers (container + container location), only for 'Axis container' expansion level! Reaction: NC not ready. Channel not ready. NC Start disable in this channel. Interface signals are set. Alarm display. NC Stop on alarm. Remedy: Use the correct identifier. Program Continuation: Switch control OFF - ON.
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 4012 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.
Have a better solution?
Help the industrial community by sharing your repair experience for code 4012.
Need a searchable reference for more Siemens SINUMERIK 840D CNC manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026