代码 700312: PLC-MD wrong (cooling unit 2)
问题描述与安全警告
Chiron Siemens-Control CNC 触发了严重的 PLC-MD wrong (cooling unit 2) 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
This error message appears when the PLC machine parameter (Without monitoring cooling unit 2) is set to 1, but a PLC input of the cooling unit is registered. Feed Stop Read disable 1. Correct PLC machine parameter. (With cooling unit = 0, without cooling unit = 1) 2. Check the following PLC inputs: Malfunction cooling unit 2 Flow monitor cooling unit 2 Cooling unit temperature monitoring 2 3. Message can only be acknowledged with [Control OFF] and then [Control ON] again. PLC machine parameter may only be set when the system doesn't have a cooling unit. If the PLC machine parameter is set to 1 (without monitoring), no input from the cooling unit may be registered.
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 700312 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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