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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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◆ | S | E | R V | I | C | E | R E | Q | U | I | R | E D |
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Fig 6.1a
M E A S U R E | |
U P S | S E T U P |
M A I N T E N A N C E |
M | A | I | N | T | E | N | A | N | C E |
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E | V | E | N | T |
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| M | A | N | U | A | L |
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| F | I | R | M | W | A 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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