Xtreme Power Conversion Corporation
M90U-80 & 140 User’s Manual
Page 60
Uninterruptible Power Supply
Figure 4-26 Current Events screen
4.2.8.2 History Events
The detailed event information is saved in history events. It can save up to 500 events in history events. When
warning occurs, it will display alarm code, alarm time and Module ID. When fault event occurs, it will display alarm
details, alarm time and Module ID. (Refer to Table 4-12 Alarm List) In order to record more historical information
about the UPS system, the important setting changed (refer to Table 4-13 Important setting changed), UPS opera
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tion mode changes (refer to Table 4-14 UPS mode change) and control action executes (refer to Table 4-15 Control
execution) will be saved in History Events. Refer to Figure 4-27 for display screen.
Figure 4-27 History Events screen
