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P6

LCD shows P6 - Freezing/overheating protection operation

MHI · Air Conditioning

¿Qué significa P6 ?

The remote controller LCD displays 'P6', indicating that either freezing protection (in cooling mode) or overheating protection (in heating mode) is currently active.

Causas comunes

  • Restricted airflow around indoor or outdoor units.
  • Dirty air filters or heat exchangers.
  • Refrigerant issues (e.g., overcharge, undercharge, clog).

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check and clean the air filters of the indoor unit.

  2. 2

    Ensure there are no obstructions blocking airflow to the indoor and outdoor unit's heat exchangers.

  3. 3

    Verify that the indoor and outdoor fans are operating correctly.

  4. 4

    If the issue persists, a technician should check the refrigerant levels and system components.

Ver todos los códigos en este manual (124)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

00Outdoor Board LED only green lights up after startup - No outdoor unit of address 0 / Remote controller transmission wire open1OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors
Fuente: MHI Air Conditioning
Open Manual (Page 18)Buscar más códigos en este manual