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E31

Unit Address Duplication / Outdoor Unit Address Error

Mitsubishi Electric · R410A Systems

¿Qué significa E31 ?

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.

Causas comunes

  • 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.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 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. 2

    Check the outdoor unit's address settings to ensure it is configured correctly and not conflicting with indoor unit addresses.

Ver todos los códigos en este manual (60)
Datos técnicos verificados. Última actualización: March 2026

Fallas relacionadas

Fuente: Mitsubishi Electric R410A Systems