The present invention relates to a control unit for a refrigerator and a method of controlling the same. A control unit for a refrigerator according to the present invention comprises an input means for receiving an operation signal for setting a service mode of a dispenser provided at the refrigerator; a storage means for storing a plurality of mode image data corresponding to the service mode of the dispenser; a display means for displaying mode images of the mode image data; and a control means for performing control such that mode image data corresponding to the service mode of the dispenser are read from the storage means according to an operation signal received by the input means and a mode image corresponding to the service mode of the dispenser is displayed on the display means. According to the present invention, there are advantages in that more various menus can be displayed in different manners, and the configuration of the input unit is simplified and thus can be more conveniently used.