代码 230045: <location>Power unit: Supply undervoltage
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 <location>Power unit: Supply undervoltage 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: OFF2 Acknowledge: IMMEDIATELY (POWER ON) SINAMICS-Alarms Diagnostics Manual (DAsl), 03/2009 Cause: The following applies for CU31x: Power supply fault in the power unit. - the voltage monitoring on the DAC board signals an undervoltage fault on the module. Remedy: Check the 24 V DC power supply for the pow er unit and if required replace the module.
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 230045 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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