| 摘要 |
<p>PROBLEM TO BE SOLVED: To perform accurate abnormality processing according to a discriminated result by accurately determining abnormality, and discriminating the degree of abnormality. SOLUTION: Internal information D1 is detected by a sensor group 41 provided at a construction machine 31 and collected as first construction machine information D1. An oil analysis center 17 collects second construction machine information D2 (oil analysis information) by analyzing an analysis object 131a. A serviceman collects third construction machine information D3 by judging the construction machine by visual observation. A server device 11 of a maker 10 discriminates the degree of abnormality of the construction machine on the basis of a combination of all or two of the first, second and third construction machine information D1, D2, D3, and the server device 11 transmits abnormality degree information in a corresponding rank to terminal units 51, 52, 53 of demand sources through a communication means such as the internet 7.</p> |
