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代码 231-8A90: Safety module %1

问题描述与安全警告

Heidenhain TNC Series CNC 触发了严重的 Safety module %1 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] - Not a safety-oriented control: - The drive cannot be switched on because the safety module is locked - Switch-off of the drive through removal of the external drive enabling at the input of the safety module - Safety module is defective (exchange) - Safety-oriented control: - Drive cannot be switched on because of the operating status of the machine - Drive was switched off because of a change to an illegal operating status of the machine [Error correction] - Inform your service agency - Safety module is connected only to CC: - Switch the external drive enabling over the corresponding input at the safety module (apply 24 V) - Safety modules are connected at MC and CC: - All drives: - Check the function of the protective door contact - Cancel the emergency stop - Only spindle drive: - Check the tool holder (closing) - Check the permissive key - Check the position of the detachable-key switch - Exchange the safety module(s)

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 231-8A90 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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