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P1-P9

Outdoor Unit Malfunction

Mitsubishi Electric · PAR-21MAA MA Remote Controller

¿Qué significa P1-P9 ?

This range of codes (P1 through P9) indicates a general malfunction within the outdoor unit, as displayed on the remote controller LCD. For specific diagnostic details, further reference to the detailed error code list in the manual is required.

Causas comunes

  • Malfunction detected in one of the outdoor unit's internal components (e.g., compressor, fan motor, sensor).
  • Faulty sensor readings (e.g., P1-P9 related to temperature, pressure).
  • Electrical issue within the outdoor unit (e.g., capacitor fault, coil failure).
  • Overload condition on a specific outdoor unit component.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Refer to the 'Error code list' in section 'V.4.2.Error code list' of the complete manual for specific diagnostic information related to P1-P9 codes.

  2. 2

    Visually inspect the outdoor unit for any signs of damage, loose electrical connections, or abnormal sounds during operation.

Ver todos los códigos en este manual (26)
Datos técnicos verificados. Última actualización: March 2026

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Fuente: Mitsubishi Electric PAR-21MAA MA Remote Controller