FIELD: trade automation. SUBSTANCE: automatic washing device and method of automatic washing for vending machine allow automatic washing of internal section of drink mixing assembly in compliance with level of its contamination so that user may use clean venting machine. Automatic washing device and method of automatic washing of vending machine required presence of assembly for determination of contamination level of drink mixing assembly. Checking assembly forms control signal for supplying hot water to hot-water delivery assembly in order to wash drink mixing assembly when the latter is contaminated. EFFECT: enhanced quality of servicing. 4 cl, 6 dwg
