¿Qué provoca el error A169 de Carrier?

Incorrect wiring. Loss of power to the control board. Faulty control board

¿Cómo se corrige el código de falla A169 de Carrier?

1. Ensure the Humidi-MiZer control board has power. 2. Inspect all wiring connections to the control board. 3. A technician needs to diagnose the communication issue and test the board.

A169

A169 - Expansion Valve Control Board Comm Failure

Carrier · Air Conditioning

¿Qué significa A169 ?

Communication has failed with the Expansion Valve Control Board. The Humidi-MiZer control is disabled.

Causas comunes

Incorrect wiring
Loss of power to the control board
Faulty control board

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

1
Ensure the Humidi-MiZer control board has power.
2
Inspect all wiring connections to the control board.
3
A technician needs to diagnose the communication issue and test the board.

Ver todos los códigos en este manual (60)

Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

A051A051 - Compressor 1 Stuck On Failure A052A052 - Compressor 2 Stuck On Failure A055A055 - Compressor 1 Stuck On Failure (Circuit B)

Fuente: Carrier Air Conditioning

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