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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
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- 1
Exchange the Motion CPU module.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Mitsubishi Electric MELSEC iQ-R Motion Controller