MAINTENANCE TIME DETERMINATION METHOD, FAULT DIAGNOSTIC DEVICE AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To automatically determine an appropriate maintenance time for saving the energy without being affected by installation environment and the like in a low cost system. SOLUTION: A correlation learning part 73 finds a correlation between the states of respective parts and the power consumption based on data of the respective parts of a refrigerating-freezing showcase collected by a state data collection part 71 and a power consumption detected by a power consumption detecting part 72 during a prescribed learning time. A threshold determination part 74 determines a threshold corresponding to an appropriately set energy saving target value based on the correlation. A maintenance time determination part 75 determines time for maintenance for every part using the threshold. COPYRIGHT: (C)2004,JPO