1 · Compressor
Circulates refrigerant through the cooling circuit. Starting trouble can also involve its controls or power supply.
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DOORSTEP REFRIGERATOR SERVICE
Refrigerator parts diagram and cooling system explained
Independent refrigerator diagnosis, servicing and repairs. Speak to us about your model, symptoms and visit availability.
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Labelled conceptual refrigerator diagram
The diagram explains component roles; it is not a model-specific wiring diagram or disassembly guide.
2 · Condenser
Releases heat; may be behind the cabinet, underneath or embedded in side walls.
3 · Expansion device
Meters refrigerant into the evaporator; design varies by model.
4 · Evaporator
Absorbs heat from the compartment; frost-free units often hide it behind an internal panel.
5 · Fan and air ducts
Distribute cool air in fan-assisted models. Blocked vents can cause uneven temperatures.
6 · Thermostat and sensors
Measure temperature and guide cooling cycles. A control issue is not always a compressor fault.
7 · Defrost assembly
On equipped models, a heater, sensor and control remove frost automatically.
8 · Door seal and drain
Keep warm air out and route defrost water away. Leaks and dirt can affect operation.
How the cycle works
The compressor drives refrigerant around a closed circuit. The condenser releases heat to the room, the expansion device reduces pressure, and the evaporator absorbs heat inside the appliance. Refrigerant returns to the compressor and the cycle repeats. Fans and controls manage distribution and timing where fitted.
Sealed-system and electrical work requires qualified technicians and model-specific information.
Discuss your refrigerator problem
Tell us the model, symptoms and PIN code.
We will discuss service availability, inspection charges and the next step. No online payment or booking form is required.