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RUN light slow blink (3.5s ON, 0.5s OFF)

RUN light blinks slowly (3.5 seconds ON, 0.5 seconds OFF) — AUTO OFF operation during standby

MHI · Air Conditioning

¿Qué significa RUN light slow blink (3.5s ON, 0.5s OFF) ?

The green RUN light on the indoor unit will blink slowly in a pattern of 3.5 seconds ON and 0.5 seconds OFF. This indicates that the AUTO OFF operation is active while the unit is in standby.

Causas comunes

  • AUTO OFF operation has been set and the unit is in standby.
  • Unit is preparing to automatically turn off.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Verify if AUTO OFF operation was intentionally set.

  2. 2

    Allow the unit to proceed with its scheduled AUTO OFF function.

  3. 3

    If unintended, refer to the manual to cancel AUTO OFF settings.

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

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Fuente: MHI Air Conditioning
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