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6

OPERATION INDICATOR lamp blinks 6 times (Pattern A) - Abnormal temperature of heatsink

MHI · Air Conditioning

¿Qué significa 6 ?

The OPERATION INDICATOR lamp blinks six times in 'Output pattern A' from the indoor unit, indicating an abnormal temperature of the heatsink in the outdoor unit.

Causas comunes

  • Abnormal heatsink temperature.
  • Poor airflow around the outdoor unit.
  • Faulty outdoor fan motor.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check if indoor/outdoor units have a short cycle on their air ducts, affecting heatsink cooling.

  2. 2

    Measure the resistance value of the outdoor thermistor (TH8) to confirm its proper operation.

  3. 3

    Inspect the outdoor fan motor for correct operation and ensure it is not obstructed.

  4. 4

    Ensure the connector (TH3) on the outdoor controller board is not disconnected.

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 23)Buscar más códigos en este manual