Abstract:Aiming at the faults of DZZ3 automatic weather station in operation,this paper briefly introduces the system structure of DZZ3 automatic weather station.At the same time,combined with the needs of the actual business work,the process and method of fault processing of DZZ3 automatic weather station are analyzes in detail.According to the process and method of fault handling,it is possible to judge the fault unit in time and accurately,which reduce the influence of equipment failure on meteorological observation data as much as possible.It is not only provides references for equipment maintenance,but also further improves the ability of technical support for station business personnel.