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ER2

Internal ROM Access Error (OS Installation)

Mitsubishi Electric · MELSEC iQ-R Motion Controller

Hva betyr ER2 ?

This error indicates an access failure to the internal ROM of the Motion CPU module during operating system software installation from an SD memory card. This points to a hardware issue with the module's internal memory, preventing the OS from being written.

Vanlige årsaker

  • Hardware error in the Motion CPU module's internal ROM preventing OS installation

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Exchange the Motion CPU module.

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Verifisert teknisk data. Sist oppdatert: March 2026

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Kilde: Mitsubishi Electric MELSEC iQ-R Motion Controller