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1

OPERATION INDICATOR lamp blinks 1 time (Pattern A) - Indoor/outdoor unit communication error (Transmitting error - Outdoor unit)

MHI · Air Conditioning

¿Qué significa 1 ?

The OPERATION INDICATOR lamp blinks once in 'Output pattern A' from the indoor unit, indicating a communication issue between the indoor and outdoor units, specifically a transmitting error from the outdoor unit.

Causas comunes

  • Indoor/outdoor unit communication error (transmitting error from outdoor unit).

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Check if the indoor/outdoor connecting wire is properly connected.

  2. 2

    Verify that no noise is interfering with the indoor/outdoor connecting wire or power supply.

  3. 3

    Re-check the error by turning off the main power supply, waiting a few moments, and then turning it back on.

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 open14OPERATION INDICATOR lamp blinks 14 times (Pattern A) - Other errors2OPERATION INDICATOR lamp blinks 2 times (Pattern A) - Open/short of outdoor unit thermistors
Fuente: MHI Air Conditioning
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