There should be spaces between the food.
Do not place food of high moisture in the fridge storage compartment. If you really need to do so, you'd better to wrap it with a piece of preservative film.
Do not set the temperature too low,uaually,5℃ is More appropriate.
Do not put the food that easily frozen in the bottom,because there is the lowest temperature at the bottom.
If the food is still frozen, the control may be failure, please call for service