代码 15420: [Channel %1: ] Block %2 instruction in current mode not allowed
问题描述与安全警告
Siemens SINUMERIK 840D CNC 触发了严重的 [Channel %1: ] Block %2 instruction in current mode not allowed 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 Definitions: The alarm is output in the following situation: The interpreter has detected an illegal instruct ion (e.g. a motion command) while processing an INI file or a definition file (macro or GUD). In a GUD file, the access security for a machine data is to be changed with REDEF, although an ACCESS file (_N_SACCESS_DEF, _N_MACCESS_DEF, _N_UACCESS_DEF) is available. Access rights for machine data can only be changed then via one of the ACCESS files with REDEF. Reaction: Interpreter stop NC Start disable in this channel. Interface signals are set. Alarm display. Remedy: - Correct the INI, GUD or macro file. - Correct part program. Program Continuation: Clear alarm with the RESET key. Restart part 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 15420 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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