A method of controlling the removal of one or more receptacles (1) from a receptacle tray (2) that supports a plurality of receptacles (1) and comprises a motor (51), a tray circuit (32), a slider ( 49) and one of a single pivoting lever (45), a single actuation bar (60) or a single axis of rotation (69), said plurality of receptacles (1) each comprising a hook (10) and a receptacle circuit (31), the method comprising: activating said motor (51) to move said one between said single pivoting lever (45), said single actuating bar (60) or said single axis of rotation (69) to simultaneously decoupling said closing slider (49) from said plurality of hooks (10) respectively coupled to said plurality of receptacles (1)； activating an extraction indicator (5) associated with at least one receptacle (1) of said plurality of receptacles (1) to be extracted； manually removing the at least one receptacle (1) having said extraction indicator activated from the receptacle tray (2)； and detecting if the receptacle (1) to be removed is extracted based on a loss of continuity between said circuit (32) of the tray and said respective circuit (31) of the receptacle.Un método para controlar la extracción de uno o más receptáculos (1) de una bandeja (2) de receptáculos que soporta una pluralidad de receptáculos (1) y comprende un motor (51), un circuito (32) de bandeja, un deslizador (49) de cierre y uno de entre una única palanca pivotante (45), una única barra de accionamiento (60) o un único eje de rotación (69), comprendiendo dicha pluralidad de receptáculos (1) cada uno un enganche (10) y un circuito (31) de receptáculo, comprendiendo el método: activar dicho motor (51) para mover dicho uno de entre dicha única palanca pivotante (45), dicha única barra de accionamiento (60) o dicho único eje de rotación (69) para desacoplar de manera simultánea dicho deslizador (49) de cierre de dicha pluralidad de enganches (10) respectivamente acoplados a dicha pluralidad de receptáculos (1)； act
