代碼 320-07DC: Supply voltage missing at device
問題描述與安全警告
Heidenhain TNC Series CNC 觸發了嚴重的 Supply voltage missing at device 警報。需要由合格的操作員或維修技師立即處理，以防止在製造週期中對設備造成二次損壞或導致零件報廢。在接觸電氣控制箱之前，請務必確保遵循標準安全和停機掛牌 (LOTO) 程序。
官方故障排除步驟
[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.
關於 Heidenhain TNC Series CNC 警報
由 Heidenhain 製造的工業控制器具有廣泛的診斷系統，用於保護內部電路和機械連桿。當 TNC Series CNC 出現類似 320-07DC 的錯誤代碼時，通常表示指令值與實際感測器回饋之間存在不匹配。
完整警報清單: 4497 Heidenhain TNC Series CNC 代碼s.
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