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E31
Indoor/Outdoor Unit Address Setting Error (Duplication)
Mitsubishi Electric · FR-D700 Inverter
Was bedeutet 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.
Häufige Ursachen
- 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.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Verify the address settings of all indoor units, ensuring each has a unique address within the U00-U47 range.
- 2
Check the outdoor unit address setting for correctness according to system design.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Mitsubishi Electric FR-D700 Inverter