1. Check that the temperature around the fridge is 25°C or under.

2. Check to ensure the fridge has the correct ventilation, as per below.
Each Side: 20mm
Top: 20mm
Rear: 100mm

3. If the fridge is in a cupboard, you need to have ventilation which we call the chimney effect, you need a vent for fresh air to come in from the bottom of the cupboard and a vent for hot air to escape from the top.

4. Check inner fan is going and that there is NO ice buildup on the inner rear wall

5. Check temperature gauge. 6 being the coldest.