THE QUICK ANSWER
On a numbered cooling-power dial, the higher number usually means stronger cooling: 5, 6 or 7 is generally the coldest end of the respective scale. A display marked °C works differently: 2°C is a colder target than 5°C. Confirm the control type and check the actual fridge temperature with a thermometer.
Is the number a setting or a temperature?
Start with the unit on the control. A dial numbered 1 to 7 may be a relative cooling-power scale. A display showing 5°C is a target temperature. These two controls use numbers in opposite ways when you ask for “colder”.
| Control type | How to read it | Important limit |
|---|---|---|
| Cooling-power scale 1–5 | 5 is usually the strongest cooling setting | The scale is not measured in degrees |
| Cooling-power scale 1–6 | 6 is usually the strongest setting if the scale follows that convention | Verify the model’s dial direction |
| Cooling-power scale 1–7 | 7 is usually the strongest setting if the scale follows that convention | Maximum is not automatically the everyday setting |
| Temperature display in °C | A lower target, such as 2°C rather than 5°C, is colder | The displayed target is not a measurement of every shelf |
Higher-number-means-colder is a common dial convention, not a rule for every refrigerator. Check whether there are special positions, mode labels or separate compartment controls.
A confirmed 1–5 example
Beko’s TCL5249 instructions explicitly identify 5 as the coldest end of its scale. They suggest beginning around the middle and monitoring the result. This is a useful example of how to use a dial, rather than a reason to set every fridge to the same number.
If your fridge has a different scale, consult its own temperature-control section. A photograph of a similar dial on another appliance cannot establish your thermostat’s behavior.
Measure what is happening inside
UK official food-storage guidance recommends keeping a fridge between 0°C and 5°C and checking with a thermometer. Do not assume that setting 4 means 4°C. Record the measured temperature separately from the number on the dial.
Follow the refrigerator and thermometer instructions for placement and for allowing a changed setting to stabilise. One reading immediately after a door has been open does not tell you the steady condition throughout the appliance. Different products can specify different waiting periods; this guide does not invent a universal one.
If food is freezing
Check the actual compartment temperature and where the affected food is stored. Find the model’s guidance on controls, airflow and recommended storage locations before repeatedly turning the dial. The symptom does not prove that the entire compartment is at the same temperature.
Note the dial position, measured temperature, approximate thermometer location and whether the problem is confined to one area. Those observations are more useful for support than “the fridge is on number three”.
If the fridge is too warm
Confirm the control interpretation first, then follow the model’s normal checks for closing the door, ventilation and loading. If the temperature remains outside the recommended range, use the manufacturer’s troubleshooting or service route.
Changing the dial is not evidence that food exposed to unsafe storage conditions is safe again. Handle that as a separate food-storage decision using the relevant official guidance.
The useful takeaway
Higher cooling-power number usually means colder; lower temperature in degrees means colder. Verify the actual temperature rather than leaving the dial at maximum by default.
Sources & scope
Manufacturer documentation and official guidance, checked 1 Nov 2026. This is a researched explanation, not a hands-on test or a manufacturer service bulletin. Match instructions to your exact model.
- Beko UK — how to set the ideal fridge temperature
Manufacturer explanation of a 1–5 dial and the distinction between a control setting and the resulting temperature.
- Beko — TCL5249 temperature control
A concrete manufacturer example in which 5 is coldest and the middle setting is a starting point to verify by temperature.
- GOV.UK — how to chill, freeze and defrost food safely
UK guidance to keep the fridge at 0–5°C and use a thermometer rather than assuming the dial reports degrees.
- GOV.UK — food safety in a heatwave
Explains that higher dial numbers usually mean stronger cooling; users should check their manufacturer’s instructions.