[. . . ] To check whether the appliance is functioning, make sure that the thermostat knob is not set on "0". [. . . ] The rating plate states the maximum quantity of foods that can be frozen, (see figure 2). We recommend you defrost the freezer area when the layer of frost is more than 3 mm thick. A small amount of frost or drops of water on the back of the fridge compartment when the fridge is working is normal. Once the product has been embedded, place the rear part of the column in contact with the wall so as to prevent access to the compressor compartment. For the product to operate correctly it is essential to allow adequate air circulation so as to cool down the condenser located in the rear part of the appliance. For this reason, the column must be equipped with a rear chimney, whose upper opening must not be blocked and with a front slot which will be covered with a ventilation grill. [. . . ] For this reason, the column must be equipped with a rear chimney, whose upper opening must not be blocked and with a front slot which will be covered with a ventilation grill. [. . . ]