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Defective thermostat, contactor, transformer, control relay, or capacitor.

Compressor and Outdoor Fan Will Not Start - Internal component failure.

Bryant · Comfort Alert Diagnostic Module

¿Qué significa Defective thermostat, contactor, transformer, control relay, or capacitor. ?

A critical control or starting component within the unit has failed, preventing the compressor and fan from operating.

Causas comunes

  • Age or wear of internal electrical components.
  • Electrical surge or stress.

Pasos de reparación & Lista de verificación

Haga clic en los pasos para seguir su progreso.

  1. 1

    Ensure the thermostat is set correctly for operation (e.g., set to cool and below room temperature, or heat and above room temperature).

  2. 2

    Visually inspect accessible wiring for loose connections or damage.

  3. 3

    If the unit has a contactor, check if it is pulling in when the thermostat calls for operation (requires electrical testing).

  4. 4

    Contact a qualified HVAC technician to diagnose and replace the faulty component.

Ver todos los códigos en este manual (55)
Datos técnicos verificados. Última actualización: April 2026

Fallas relacionadas

ALERT LED * flashes Yellow (misreported)Yellow ALERT LED * flashes (misreported) — Welded Contactor checkALERT LED 2 flashes YellowYellow ALERT LED 2 flashes — System pressure trip or compressor overloadALERT LED 3 flashes YellowYellow ALERT LED 3 flashes — Compressor short cycling
Fuente: Bryant Comfort Alert Diagnostic Module
Open Manual (Page 33)Buscar más códigos en este manual