¿Cómo se corrige el código de falla Communication error between indoor/outdoor INV MAIN MICOM (1 min) de Samsung?

1. Turn off the air conditioner at the main breaker, wait 30 seconds, then turn it back on to reset internal components. 2. Ensure all internal connections within the outdoor unit are secure, if safely accessible. 3. If the problem persists, a qualified service technician will need to check or replace the microcontrollers.

Communication error between indoor/outdoor INV MAIN MICOM (1 min)

Communication error between main and inverter microcontrollers — Internal communication fault

Samsung · Air Conditioning

¿Qué significa Communication error between indoor/outdoor INV MAIN MICOM (1 min) ?

This error indicates a communication failure between the main microcontroller (MAIN MICOM) and the inverter microcontroller (INVERTER MICOM) within the outdoor unit. This prevents proper operation and will cause the system to stop.

Causas comunes

Faulty MAIN MICOM within the outdoor unit.
Faulty INVERTER MICOM within the outdoor unit.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

1
Turn off the air conditioner at the main breaker, wait 30 seconds, then turn it back on to reset internal components.
2
Ensure all internal connections within the outdoor unit are secure, if safely accessible.
3
If the problem persists, a qualified service technician will need to check or replace the microcontrollers.

Ver todos los códigos en este manual (94)

Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

COND temperature sensor errorCondenser temperature sensor error — Outdoor coil temperature sensor fault Communication errorCommunication error — Indoor/outdoor inverter main MICOM communication lost Communication error after trackingCommunication error after finishing tracking — System communication issue following a tracking process

Fuente: Samsung Air Conditioning

Open Manual (Page 54)Buscar más códigos en este manual