Haier Double-Door Refrigerator PCB (Type B) If the water inlet valve

If the water inlet valve becomes faulty

By managing the heater

ensuring that ice build-up is minimized for optimal cooling efficiency

By effectively retaining water

Haier Double-Door Refrigerator PCB (Type B) If the water inlet valveThe double door refrigerator PCB functions as the main electronic control unit, managing all core operations of the appliance. It monitors inputs from temperature sensors in both the freezer and refrigerator compartments, triggering the compressor when cooling is required. The PCB also operates the defrost heater to reduce ice build up and controls the fan motor for uniform air circulation. It manages lighting and the user interface, ensuring smooth