DIAGNOSIS APPARATUS

A diagnosis apparatus including: a first data acquisition part that acquires time series data from an apparatus to be diagnosed a first number of times every predetermined time period; a possibility determination part that determines whether there is a possibility of abnormality occurrence in the apparatus to be diagnosed during the predetermined time period on the basis of the time series data; a second data acquisition part that acquires the time series data a second number of times, which is greater than the first number of times, when it is determined that there is the possibility of abnormality occurrence; and an abnormality determination part that determines whether an abnormality has occurred in the apparatus to be diagnosed on the basis of changes in data indicated by the time series data acquired by the second data acquisition part.