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代码 M01-0021: Tool ofs invld after R-pnt

问题描述与安全警告

Mitsubishi M800/M80 CNC 触发了严重的 Tool ofs invld after R-pnt 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

Details Reference position return had been performed during the tool retract and return, which invalidated the tool com- pensation amount after the reference position return. Remedy  The error is cleared if the operation mode is changed to other than reference position return before the axis performs reference position return.  The error is cleared when the tool return is completed.  The error is cleared if reset 1 is inpu t or the emergency stop button is pushed. R-pnt ret invl d at abs pos alm 0024 Details A reference position return signal was enabled during an absolute position detection alarm. Remedy  Reset the absolute position detection alarm, and then perform the reference position return. R-pnt ret invld at zero pt ini 0025 Details A reference position return signal was input during zero point initialization of the absolute position detection system. Remedy  Complete the zero point initialization, and then perform reference position return. High-accuracy skip disabled 0028 Details The drive unit's hardware or software does not conform to the high-accuracy skip. Remedy  The software or hardware does not conform to the function. Contact service center. Hi-ac skip coord retrieval err 0029 Details Failed to retrieve the skip coordi nate value from the drive unit. Remedy  Check the wiring.  Check the parameters. Now skip on 0030 Details The "skip input" signal remains enabled when the operat ion has shifted from skip retract to measurement. Remedy  Increase the skip retract amount. No skip 0031 Details Even though the 1st skip was to the correct position, the 2nd skip could not be found. Remedy  Check whether the measurement target has moved. Rtn dir err in manual measure 0033 Details Return direction in manual measurement is the opposite of the parameter setting. Remedy  Check the setting of the parameter "#2169 Rtn dir e rr in manual measure" (Return direction in manual measurement).  Move the axis manually in the direction to a safe position, then reset. No specifications 0036 Details The specification is not supported. Remedy  Check the specifications.

Source: Mitsubishi M800/M80/E80 Series Alarm/Parameter Manual (IB-1501279)

Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.

关于 Mitsubishi M800/M80 CNC 警报

由 Mitsubishi 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 M800/M80 CNC 出现类似 M01-0021 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: 722 Mitsubishi M800/M80 CNC 代码s.

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