代码 702820: C axis clamping defective! (don’t switch off machine)
问题描述与安全警告
Chiron Siemens-Control CNC 触发了严重的 C axis clamping defective! (don’t switch off machine) 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
Actuation "Clamp C-axis clamping" was output, but the sensor return signal is missing. PLC input signal "C-axis clamping clamped" must have the signal state (1) within 2 seconds. The error has the following effect: Feed Stop For safety reasons, it is no longer possible to unlock the protective doors. Actuation "Clamp C-axis clamping" is cancelled so that the system doesn't have to constantly work against the clamping. Actuation "Unclamp C-axis clamping" is output and the axis stays under control. 1. Press [FEED START] key. Actuation "Clamp C-axis clamping" is output again. If the sensor signals the signal state (1), the machine continues to run. Otherwise, the clamping is unclamped again and the message is output again. 2. Switch to "Manual mode". NOTICE! Attention! The machine control must not be switched off. There is the danger that the clamping is no longer holding reliably and the axis could fall over. There is a danger to the machine! For safety reasons, the protective equipment can no longer be opened. 3. Move the C axis to a position where it can't tip over. 4. Turn off the machine control with the key [Control OFF]. The protective door is unlocked after a delay time of 10 seconds. 5. Check the PLC input signal "C-axis clamping clamped" and the "Clamp C-axis clamping" actuation.
Source: CHIRON Error Message Overview, all series (Siemens control, V2.0.6, 2012)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Chiron Siemens-Control CNC 警报
由 Chiron 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 Siemens-Control CNC 出现类似 702820 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: 545 Chiron Siemens-Control CNC 代码s.
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