The invention provides electricity consumption information acquisition system fault diagnosis equipment which comprises a processor as well as a concentrator local communication module interface, an electric energy meter local communication module interface, a concentrator remote communication module interface, a zone area recognition unit, an RS485 port, an RS232 port, an infrared port and a WiFi module which are connected with the processor, wherein the zone area recognition unit is used for recognizing phase information and zone area information of an electric energy meter to be tested and comprises a first zone area recognition module and a second zone area recognition module; the concentrator local communication module interface is connected with a concentrator local communication module or a meter reader controller module in a pluggable manner; the electric energy meter local communication module interface is connected with an electric energy meter local communication module in a pluggable manner; the concentrator remote communication module interface is connected with a concentrator remote communication module in a pluggable manner; the processor is used for detecting the electric energy meter, a concentrator, the electric energy meter local communication module, the concentrator local communication module or the concentrator remote communication module in an electricity consumption information acquisition system respectively.