Abstract:Along with the running time growth of region automatic weather station,various breakdowns appear one after another,which caused many difficulties for the technical support personnels maintenance work.In order to safeguard the normal operation of region automatic weather station and solve breakdowns promptly in each kind of stations,unifying the service maintenance experience of automatic weather station for 10 years,this paper summarizes the common faults and elimination methods for power supply system,the communication system,the master controller and various sensors.And the routine maintenance matters needing attention and the suggestion are proposed,which could play a certain reference role to the technical support personnel of basic unit meteorological observatory station,establish the clear service maintenance mentality in routine work and guarantee the data from regional automatic weather station in continuity,accuracy and timeliness.