A beverage preparation machine, such as a machine having a water source and a beverage preparation unit and an outlet for delivering a beverage to a beverage dispensing area, comprising a user-interface (10, 10', 20, 30, 40, 50) that has: - a generally peripheral illuminatable arrangement (11, 11', 21, 31, 41, 51) formed of illuminatable parts (11A, 11B, 11C, 11D, 11E, 11F, 11A', 11B', 11C', 11D', 11E', 11F', 11G', 11H', 21A, 21B, 21C, 21D, 21E, 21F, 21G, 31A, 31B, 31C, 31D, 31E, 31F, 41A, 41B, 51A, 51B, 51C, 51D, 51E, 51F, 51G, 51H, 51X) and extending around an inner portion (110, 120); and - a control arrangement (100, 105) for activating and deactivating an illumination of the illuminatable parts, such as a programmable control arrangement (100, 105), for instance a control arrangement comprising a printed circuit board PCB and a controller e.g. a controller connected to the PCB by connectors, optionally the control arrangement controlling other functions of such machine such as an IT module, a pump, a thermal conditioner and/or a motorization of a preparation unit, the user-interface (10, 10', 20, 30, 40, 50) being optionally on a top part or front part or side part of such machine, wherein the illuminatable parts (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) of the general peripheral illuminatable arrangement (11, 11', 21, 31, 41, 51) are in a side-by-side linear arrangement around the inner portion (110, 120), such as a curved and/or angled linear arrangement, optionally the illuminatable parts of the general peripheral illuminatable arrangement being: - in a side-by-side single linear arrangement (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) or in two or three or four generally parallel or concentric side-by-side linear arrangements; and/or - in a side-by-side linear arrangement (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) in which two neighbouring illuminatable parts are immediately adjacent to each other (11A-11F, 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) or spaced apart (11A'-11H') by a spacer such as a part of a housing, characterized in that the control arrangement (100,105) has at least one configuration, such as a programmed configuration, for successively activating consecutive parts (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) in said side-by-side linear arrangement in a turning sequence about the inner portion (110, 120) with one or more repetitions of the turning sequence upon completion thereof to indicate to a user an execution of a beverage preparation procedure by centrifugation. - a generally peripheral illuminatable arrangement (11, 11', 21, 31, 41, 51) formed of illuminatable parts (11A, 11B, 11C, 11D, 11E, 11F, 11A', 11B', 11C', 11D', 11E', 11F', 11G', 11H', 21A, 21B, 21C, 21D, 21E, 21F, 21G, 31A, 31B, 31C, 31D, 31E, 31F, 41A, 41B, 51A, 51B, 51C, 51D, 51E, 51F, 51G, 51H, 51X) and extending around an inner portion (110, 120); and - a control arrangement (100, 105) for activating and deactivating an illumination of the illuminatable parts, such as a programmable control arrangement (100, 105), for instance a control arrangement comprising a printed circuit board PCB and a controller e.g. a controller connected to the PCB by connectors, optionally the control arrangement controlling other functions of such machine such as an IT module, a pump, a thermal conditioner and/or a motorization of a preparation unit, - in a side-by-side single linear arrangement (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) or in two or three or four generally parallel or concentric side-by-side linear arrangements; and/or - in a side-by-side linear arrangement (11A-11F, 11A'-11H', 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) in which two neighbouring illuminatable parts are immediately adjacent to each other (11A-11F, 21A-21G, 31A-31F, 41A-41B, 51A-51H, 51X) or spaced apart (11A'-11H') by a spacer such as a part of a housing,