| 摘要 |
PURPOSE:To quickly detect the faulty areas by storing the fault information obtained in a working state prior to the separation of a system from a duplex system and executing a prescribed diagnosis program for the separated system via a service processor to edit and output the result of said diagnosis when the abnormality is detected. CONSTITUTION:The fault information obtained in a working state is stored before a faulty system is separated from a duplex system and a service processor started with occurrence of a fault carries out a prescribed diagnosis program to the system separated from the duplex system. When a fault is detected, the result of said diagnosis is edited and outputted. While the stored fault information is analyzed and the result of this analysis is edited and outputted when no fault is detected. Thus the general faults excluding the intermittent faults, etc., can be detected quickly and accurately with conventional execution of the diagnosis program. In addition, the areas of special faults like the intermittent faults, etc., are estimated based on the result of analysis of the stored information.
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