Home appliance and method of outputting signal sound for diagnosis

Provided are a borne appliance and a method of outputting a signal sound for diagnosis. The home appliance includes: a selection unit for receiving a diagnosis command on the home appliance from a user; a memory for storing diagnosis data on 5 the borne appliance; a controller for processing the diagnosis data stored in the memory in order to generate a packet according to a diagnosis command input through the selection unit; a conversion unit for generating a frame including a combination of symbols, which respectively correspond to four different carrier frequencies, on the basis of data constituting the packet, according to a Quadrature Frequency Shift Keying 10 (QFSK) method. - 2 3 DEVICE S i ] 0 0. 2 3 0 S 1 - 100 |d-c l 100 > 9S ffS 16