Patent ID: 8705715

Claim:
A home appliance that transmits product information to a management device via a communication network for fault diagnosis of the home appliance, the home appliance comprising: a selection device that receives an input of an external command signal; a storage device that stores the product information of the home appliance for the fault diagnosis; a controller that, upon receipt of the external command signal through the selection device, loads the product information stored in the storage device and generates a control signal including the loaded product information as a sequence of symbols; a conversion device that converts the control signal into a sequence of acoustic signals, each of the acoustic signals having any one of predetermined frequencies which are different from each other from signal to signal; and an output device that receives the sequence of the acoustic signals from the conversion device and outputs a sound corresponding to the sequence of the acoustic signals, wherein each of the acoustic signals corresponds to each of the symbols, and the controller controls signal conversion of the conversion device to be stopped during a dead time provided between adjacent symbols, and wherein the each of the symbols corresponds to 1 bit.