6 Power Module
6.1 Failure Power Module Identify
WARNING: Before opening the unit, please make sure that the UPS is in Manual Bypass mode so that it continues to supply power to the critical load (the critical load is supported directly by utility power).
These instructions will help you diagnose which power modules have failed and which are protected.
1)Check the warning messages by pressing the “
” or “
” button on the main page of the control panel. (Figure 6.1a) (Table 5.1b lists the conditions for each power module warning message)
2)Check the event log message. (Figure 6.1b) (Maintenance 
Event Log 
Read)
P | W R | M O | D U | L E |
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Fig 6.1a
M E A S U R E | |
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E V E N T L O G
R E A D
E R A S E
EVENT LOG
０７－０７－０３ １３：１７：００
ＵＰＳ Ｓｔａｔｅ：Ｌｏａｄ ｏｎ Ｉｎｖｅｒｔｅｒ ０７－０７－０３ １３：１５：５７
Ｉｎｐｕｔ Ｖｏｌｔａｇｅ Ｎｏｒｍａｌ ０７－０７－０３ １３：１５：５７
Ｉｎｐｕｔ Ｆｒｅｑｕｅｎｃｙ Ｎｏｒｍａｌ ０７－０７－０２ １３：１５：５４
ＵＰＳ Ｓｔａｔｅ： Ｌｏａｄ ｏｎ Ｂｙｐａｓｓ ０７－０７－０２ １３：１５：５３
Ｉｎｐｕｔ Ｆｒｅｑｕｅｎｃｙ Ａｂｎｏｒｍａｌ ０７－０７－０２ １３：１０：１６
Ｉｎｐｕｔ Ｖｏｌｔａｇｅ Ａｂｎｏｒｍａｌ
Fig 6.1b
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