Optimum temperature range for perishable food storage is 3 to 5 °C (37 to 41 °F)
Turn your Control down to 4 then check it in 24hrs, buy a Fridge Thermometer
Redman, I have tried to turn it down but when I let go of the button it goes back up to highest setting 8 snd then a white square, which means its freezing.