代码 235906: <location>TM: 24 V power supply missing
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 <location>TM: 24 V power supply missing 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
Message value: %1 Drive object: All objects Reaction: NONE Acknowledge: NONE Cause: The 24 V power supply for the digital outputs is missing. Alarm value (r2124, interpret hexadecimal): 01: TM17 24 V power supply for DI/DO 0... 7 missing. 02: TM17 24 V power supply for DI/DO 8... 15 missing. 04: TM15 24 V power supply for DI/DO 0... 7 (X520) missing. 08: TM15 24 V power supply for DI/DO 8... 15 (X521) missing. 10: TM15 24 V power supply for DI/DO 16... 23 (X522) missing. 20: TM41 24 V power supply for DI/DO 0... 3 missing. Remedy: Check the terminals for the power supply voltage (L1+, L2+, L3+, M).
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.
关于 Siemens SINUMERIK 840D CNC 警报
由 Siemens 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 SINUMERIK 840D CNC 出现类似 235906 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: 4014 Siemens SINUMERIK 840D CNC 代码s.
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