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

Problembeschreibung & Sicherheitswarnung

Die Mitsubishi M800/M80 CNC hat einen kritischen Tool ofs invld after R-pnt-Alarm ausgelöst. Sofortige Aufmerksamkeit durch einen qualifizierten Bediener oder Wartungstechniker ist erforderlich, um Folgeschäden an der Ausrüstung oder verdorbene Teile während des Fertigungszyklus zu vermeiden. Stellen Sie immer sicher, dass standardmäßige Sicherheits- und LOTO-Verfahren befolgt werden, bevor Sie auf Schaltschränke zugreifen.

Offizielle Schritte zur Fehlerbehebung

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.

Über Mitsubishi M800/M80 CNC Alarme

Industriesteuerungen von Mitsubishi verfügen über umfangreiche Diagnosesysteme zum Schutz der internen Schaltkreise und mechanischen Verbindungen. Wenn eine M800/M80 CNC einen Fehlercode wie M01-0021 ausgibt, deutet dies typischerweise auf eine Diskrepanz zwischen befohlenen Werten und tatsächlichem Sensor-Feedback hin.

Vollständige Alarmliste: 722 Mitsubishi M800/M80 CNC codes.

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