代码 320-07DC: Supply voltage missing at device
问题描述与安全警告
Heidenhain TNC Series CNC 触发了严重的 Supply voltage missing at device 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 supply voltages on a device in the HSCI line are outside of the specified range. The HSCI bus diagnosis indicates which HSCI component triggered the error. Possible devices: - MC main computer - PL inputs/outputs - MB machine operating panel - Other CC in the HSCI line Possible causes: - Insufficient power supply to the devices - Short circuit in the power supply - Short circuit in PL inputs and outputs [Error correction] - Check the voltage supply to the devices - Note further information in the control's diagnostic functions (bus diagnostics or TNCdiag) - Check the wiring for possible short circuits (e.g., PLC inputs or outputs) - Exchange the hardware - Inform your service agency [1120] 10/2023
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 320-07DC 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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