Abstract: Provided is a beverage making system that includes a mobile terminal, a mobile terminal, a beverage maker configured to (i) communicate with at least one of the mobile terminal or a server, (ii) receive an upgrade item from the mobile terminal or the server, and (iii) make a beverage in a mode of a plurality of modes, a user interface disposed at at least one of the mobile terminal or the beverage maker, configured to (i) display beverage making information, and (ii) receive a user's command, and a controller configured to control the beverage maker according to an input from the user interface, wherein the plurality of modes comprises a normal mode configured to make the beverage using a predetermined ingredient, and store the made beverage in the beverage maker, and an upgrade mode configured to update the beverage making system by the mobile terminal or the server.

Abstract: A server communicating with a dishwasher is disclosed. The server communicating with a dishwasher, according to an embodiment of the present invention, comprises: a communication unit for communicating with one or more dishwashers; a memory for storing learning results obtained using a plurality of failure causes and operation information corresponding to each of the plurality of failure causes; and a processor for receiving operation information of a particular dishwasher among the one or more dishwashers from the particular dishwasher, and acquiring the cause of a failure occurring in the particular dishwasher by using the operation information of the particular dishwasher and the learning results, wherein the learning results include relational parameters corresponding to the relationships between the plurality of failure causes and the operation information.

Abstract: A server communicating with a dishwasher is disclosed. The server communicating with a dishwasher, according to an embodiment of the present invention, comprises: a communication unit for communicating with one or more dishwashers; a memory for storing learning results obtained using a plurality of failure causes and operation information corresponding to each of the plurality of failure causes; and a processor for receiving operation information of a particular dishwasher among the one or more dishwashers from the particular dishwasher, and acquiring the cause of a failure occurring in the particular dishwasher by using the operation information of the particular dishwasher and the learning results, wherein the learning results include relational parameters corresponding to the relationships between the plurality of failure causes and the operation information.