| 摘要 |
PURPOSE:To reproduce a detailed operation state in case of abnormality occurrence only by irreducible minimum operation information to a remote management center. CONSTITUTION:This device is provided with a trend information storing and holding means 10 which stores and holds a specific number of the latest pieces of operation information corresponding to an item, specified previously as a reproduced item among plural items of operation information, as trend information in a trend information storage part 3, an automatic fault pattern information registering means 11 which stores and holds the trend information, stored and held currently in the trend information storage part 3 in time series in response to abnormality detection, as fault pattern information in a fault pattern storage part 4, and a fault pattern information reproducing means 12 which reproduces the fault pattern information stored and held in the fault pattern storage part 4 in response to external operation input. |
