代碼 231-A8F0: Drive lock %1 - safety function STO is active
問題描述與安全警告
Heidenhain TNC Series CNC 觸發了嚴重的 Drive lock %1 - safety function STO is active 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
[Cause of error] - Drive switch-on was prevented because the safety function STO is presently active for this drive. - The STO safety function could not be exited. Exiting the STO safety function requires the following: The activation of the axis group through the SPLC program (PP_AxGrpActivate of the associated axis group) Enabling of the drive by the SPLC program (PP_AxFeedEnable of the associated axis) The switch-on command of the PLC program (PLC Module 9161) - If the message appears during the current controller adjustment of the spindle, the "spindle start" key was not pressed before the adjustment was started. [Error correction] - Press the "spindle start" key before the spindle adjustment - Press the key for moving the axis on the machine control panel for a longer time - Optimize program processes in the PLC and SPLC program - Check the SPLC program and correct if necessary - Inform your service agency
Source: HEIDENHAIN NC Error Messages — TNC7/640/620/320/128, CNC PILOT 640, MANUALplus 620 (10/2023)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
關於 Heidenhain TNC Series CNC 警報
由 Heidenhain 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 TNC Series CNC 出現類似 231-A8F0 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: 4497 Heidenhain TNC Series CNC 代碼s.
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