Home appliance and online system including the same

A control method of a laundry machine configured to communicate with a server and comprising a control panel having a display unit, the control method comprising:

• displaying that the laundry machine is being communication connected to the server on the display unit;
• when remote service activation is only set through a remote service activation input unit provided at the control panel during communication connection between the laundry machine and the server, displaying a state in which the remote service activation is set on the display unit;
• receiving a remote control command from the server and displaying start of operation of the laundry machine on the display unit;
• and
• displaying an operation state of the laundry machine on the display unit when a predetermined time elapses after the start of operation of the laundry machine is displayed,
• wherein the control panel includes a course selection unit to select a course among a plurality of courses and an option selection unit to select at least one optional function added to or modified from the selected course, and
• wherein remote service activation is set only by the remote service activation input unit and remote service activation is not set by the external terminal, wherein in response to the setting of the remote service activation at the control panel, deactivating the course selection unit and the option selecting unit such that input through the course selection unit and the option selecting unit is not possible,
• wherein a change of the course selected by the course selection unit or the option selected by the option selecting unit is enabled only via the external terminal when the remote service activation is set via the remote service activation input unit.

An online system comprising:

• a server to provide remote control;
• a user site to perform registration of a user based on input of user information and to transmit the user information to the server such that the user is registered with the server;
• a home appliance, having a unique device identification (ID), to transmit the user information registered with the user site and the device ID to the user site or the server such that the user information and the device ID are registered with the server, the home appliance being communication connected to the server through wireless communication connection with an AP, the home appliance being remotely controlled through the server when remote service activation is set through a remote service activation input unit provided to the home appliance only during communication connection between the home appliance and the server;
• and
• an external terminal communication connected to the server to transmit the user information and information of the home appliance to be remotely controlled to the server and to transmit a command to remotely control the home appliance to the server,
• wherein the home appliance includes a main function selection unit and an option selection unit to select at least one optional function added to or modified from the selected main function, and
• wherein remote service activation is set only by the remote service activation input unit and remote service activation is not set by the external terminal, wherein in response to the setting of the remote service activation at the home appliance, deactivating the option selecting unit such that input through the option selecting unit is not possible,
• wherein a change of the course selected by the course selection unit or the option selected by the option selecting unit is enabled only via the external terminal when the remote service activation is set via the remote service activation input unit.