Failure Diagnosis Device, Failure Diagnosis Method, And Failure Diagnosis Program

Abstract: A failure diagnosis device (100) adjusts the parameter values of an air conditioner model (191), which is used to simulate the operation of an air conditioner (200), to calibrate the air conditioner model (191), and is provided with a parameter selection unit (130). On the basis of the conditions according to the state of the air conditioner (200), the parameter selection unit (130) selects, from among the parameters of the air conditioner model (191), each parameter that constitutes an adjustment parameter group comprising at least one parameter that is a candidate, the value of which is to be adjusted when calibrating the air conditioner model (191).

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