FAILURE DIAGNOSIS SYSTEM, FAILURE DIAGNOSIS DEVICE AND PROGRAM, AND INFORMATION UPDATE DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To reduce a load required for the update of causal relationship information for failure diagnosis.

SOLUTION: The failure diagnosis system 1 includes: a causal relationship information storage unit 10 configured to store causal relationship information representing a causal relationship between events regarding a diagnosis-target apparatus 2, the causal relationship information including common causal relationship information that is commonly used in a plurality of types of failure diagnosis regarding the diagnosis-target apparatus 2 and specific causal relationship information that is used in each specific type of failure diagnosis among the plurality of types of failure diagnosis; and a diagnosis execution unit 33 configured to selectively execute the plural types of failure diagnosis by using a combined causal relationship information that is a combination of the common causal relationship information and a piece of the specific causal relationship information corresponding to a diagnosis-target type of failure diagnosis.

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