FIELD: mechanical engineering. SUBSTANCE: method includes actions to be performed if user selects undesirable object erroneously among goods which are stored in vending machine and which prevent undesirable goods from being withdrawn. Goods selection device for vending machine has input key assembly necessary to form signal corresponding to canceling of goods withdrawal or to withdrawal of goods selected by user. Checking assembly generates control signal for canceling of goods withdrawal or for guiding of selected goods towards slot for their withdrawal in compliance with signal from input key assembly within predetermined period of time. EFFECT: improved quality of servicing. 2 cl, 8 dwg
