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E31
Unit Address Duplication / Outdoor Unit Address Error
Mitsubishi Electric · R410A Systems
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An indoor unit has a duplicated address number (within the range U00-U47), or there is an incorrect address setting for the outdoor unit. This leads to communication conflicts and prevents proper system control.
Häufige Ursachen
- Duplicate unit addresses detected on the control network.
- Outdoor unit's address setting is incorrect or duplicated.
- Conflict with a newly added unit's address.
- Re-addressing process failed to resolve conflicts.
Reparaturschritte & Checkliste
Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.
- 1
Review and verify the DIP switch or parameter settings for the address of each indoor unit, ensuring all are unique within the U00-U47 range.
- 2
Check the outdoor unit's address settings to ensure it is configured correctly and not conflicting with indoor unit addresses.
Verifizierte technische Daten. Zuletzt aktualisiert: March 2026
Verwandte Fehlercodes
Quelle: Mitsubishi Electric R410A Systems