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E31

Indoor/Outdoor Unit Address Setting Error (Duplication)

Mitsubishi Electric · FR-D700 Inverter

Hva betyr E31 ?

There is a duplication of an indoor unit address number within the U00-U47 range, or an outdoor unit address setting error has occurred. This conflict prevents proper system communication and unit identification.

Vanlige årsaker

  • Multiple indoor or outdoor units assigned the same address.
  • Address setting switches (DIP switches) on multiple units are set identically.
  • Auto-addressing mechanism failed to resolve address conflicts.
  • Incorrect address setting on the master controller.
  • Duplicate unit IDs in the system configuration.

Reparasjonssteg & Sjekkliste

Klikk på steg for å spore fremgangen.

  1. 1

    Verify the address settings of all indoor units, ensuring each has a unique address within the U00-U47 range.

  2. 2

    Check the outdoor unit address setting for correctness according to system design.

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Verifisert teknisk data. Sist oppdatert: March 2026

Relaterte feilkoder

Kilde: Mitsubishi Electric FR-D700 Inverter