37MGRA PC 03 Pressure Protection (low or high pressure), PC 30 High Pressure Protection, PC 31 Low Pressure Protection (Diagnosis and Solution)

Códigos de diagnóstico 37MGRA

Códigos de diagnóstico cubiertos

PC 03(PC03), PC 30(PC30), PC 31(PC31)

  • PC 03 – Low- or High-Pressure Protection

Description: Outdoor pressure switch cut off the system because high pressure is higher than 638 psi or outdoor pressure switch cut off the system because low pressure is lower than 19 psi, the LED displays the failure code. Recommended parts to prepare: Connection wires, Pressure switch, Outdoor fan, Outdoor main PCB, Refrigerant Troubleshooting and repair:

Flujo de solución de problemas

PC 03 Pressure Protection (low or high pressure), PC 30 High Pressure Protection, PC 31 Low Pressure Protection (Diagnosis and Solution) workflow
PC 03 Pressure Protection (low or high pressure), PC 30 High Pressure Protection, PC 31 Low Pressure Protection (Diagnosis and Solution) workflow
PC 03 Pressure Protection (low or high pressure), PC 30 High Pressure Protection, PC 31 Low Pressure Protection (Diagnosis and Solution) workflow
PC 03 Pressure Protection (low or high pressure), PC 30 High Pressure Protection, PC 31 Low Pressure Protection (Diagnosis and Solution) workflow

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

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