代码 230035: <location>Power unit: Air intake overtemperature
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 <location>Power unit: Air intake overtemperature 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: OFF1 (OFF2) Acknowledge: IMMEDIATELY Cause: The air intake in the power unit has e xceeded the permissible temperature limit. For air-cooled power units, the te mperature limit is at 55 °C. - ambient temperature too high. - insufficient cooling, fan failure. Fault value (r0949, interpret decimal): Temperature [1 bit = 0.01 °C]. Remedy: - check whether the fan is running. - check the fan elements - check whether the ambient temperature is in the permissible range. Notice: This fault can only be acknowl edged after this alarm threshold for alarm A05002 has been undershot.
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 230035 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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