37MGRA PH 91 (Low temperature protection of evaporator diagnosis and solution) – Carrier Enterprise Technical Services & Support

Códigos de diagnóstico cubiertos

PH 91

Description: When evaporator coil temperature is lower than 0°C in cooling mode or drying mode, the unit stops. It starts again only when the evaporator coil temperature is more than 5°C. Recommended parts to prepare: Connection wires, Evaporator coil temperature sensor (T2), Indoor main PCB Troubleshooting and repair:

Flujo de solución de problemas

PH 91 (Low temperature protection of evaporator diagnosis and solution) workflow — PH91 (Low temperature protection of evaporator diagnosis and solution) workflow

Pruebas de diagnóstico relacionadas

Verificación del sensor de temperatura 37MGRA

Fuente del flujo de trabajo: manual de servicio original 37MGRA-02SM PDF. Nombres de códigos de error contrastados con 37MGRA-04SI.