A diagnostic system and method for a home appliance is provided. When the home appliance outputs product information as a sound signal, a service center remotely performs fault diagnosis of the home appliance by receiving the sound signal, detecting the product information from the sound signal, checking...http://www.google.fr/patents/US20110054967?utm_source=gb-gplus-shareBrevet US20110054967 - DIAGNOSTIC SYSTEM AND METHOD FOR HOME APPLIANCE
