代码 26248: [Channel %1: ] Block %2: The contents (%4) of parameter $NP_BIT_NO[%3] are invalid
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 [Channel %1: ] Block %2: The contents (%4) of parameter $NP_BIT_NO[%3] are invalid 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 number %2 = Block number, label %3 = Programmed bit index %4 = Index of parameters Definitions: Invalid bit number indicated for the switchover of a preactivated protection area between the states activated / deactivated. Bit number must have a value between -1 and 63. Whereby -1 means that no interface bit was assigned to the protection area. Values between 0 and 63 indicate the index of the inte rface bit through which the activation state of the protection area is switched over. Reaction: Correction block is reorganized. Interface signals are set. Alarm display. Remedy: Indicate valid index Program Continuation: Clear alarm with NC ST ART or RESET key and continue the program.
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 26248 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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