代码 240-0804: NC program not saved
问题描述与安全警告
Heidenhain TNC Series CNC 触发了严重的 NC program not saved 警报。需要由合格的操作员或维修技师立即处理，以防止在制造周期中对设备造成二次损坏或导致零件报废。在接触电气控制箱之前，请务必确保遵循标准安全和停机挂牌 (LOTO) 程序。
官方故障排除步骤
[Cause of error] The NC program is write protected and therefore cannot be saved. [Error correction] - Open the file manager and cancel the write protection for the NC program. Then use the Programming mode of operation to select and save the NC program. - Or, as an alternative, save the NC program under another name.
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.
关于 Heidenhain TNC Series CNC 警报
由 Heidenhain 制造的工业控制器具有广泛的诊断系统，用于保护内部电路和机械连杆。当 TNC Series CNC 出现类似 240-0804 的错误代码时，通常表示指令值与实际传感器反馈之间存在不匹配。
完整报警清单: 4497 Heidenhain TNC Series CNC 代码s.
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