代码 16948: Channel %1 dependent channel %2 still active
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 Channel %1 dependent channel %2 still active 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
Parameters: %1 = Channel ID %2 = Channel ID Definitions: This alarm is active with "Group Serupro" only. "Group Serupro" is activated by means of MD10708 R$MN_SERUPRO_MODE, bit 2" and enables the retrace support of entire channel groups during block search. A _dependent channel_ is a channel that had indirectly been started by the currently active channel. The currently active channel was started via PLC. This channel m_u_s_t be terminated (i.e. reached M 30) before the current channel is terminated. This alarm occurs if the currently active channel is terminated before the dependent channel. Reaction: Alarm display. Remedy: Switch off "Group Serupro" (see MD10708 $MN_SERUPRO_MASK) or install WAITE. Program Continuation: Clear alarm with the Delete key or NC START. Diagnostics Manual (DAsl), 03/2009
Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
关于 Siemens SINUMERIK 840D CNC 警报
由 Siemens 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 SINUMERIK 840D CNC 出现类似 16948 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: 4014 Siemens SINUMERIK 840D CNC 代码s.
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