Home appliance and method for signal output of home appliance

The present invention relates to a home appliance and a signal output method, by being the product information is output in a predetermined tone from the home appliance, and transmitted over a communication network connected to a tone is to facilitate the health check of the appliance at the service center in a remote location. In addition, the present invention is the accuracy of the diagnosis according to output a beep the product information of the home appliance, so by using a plurality of frequency signals converts the control signal, a fast transmission is possible, and can more transmit data required for the diagnosis the effect is improved. Household appliances, washing machines, sound output, beep, fault diagnosis, frequency conversion