User`s manual
D:\manual\UM_PCM-ULT\ML_Ult3k\661-UT3K-002-31.doc 
KEVIN KU  第 7 頁 2003/3/4 
1.5 “FAULT” indicator 
It shows something wrong concerning about the UPS. 
1.6 “ON” button 
With the UPS plugged in, press the “ON” button to turn on the UPS and power the loads. 
“ON” also activates the UPS‘s self-test and utility line voltage displays. 
1.7 “OFF” button 
Press the OFF button to turn off the UPS and the loads. 
1.8 “SELECT” button (LCD Panel only) 
The relevant value appears on the upper screen. There are four display modes can be 
selected. 
Output voltage display 
Input voltage display 
Input frequency 
Temperature inside the UPS 
1.9 “BATT” bar graph (RECTANGLE INDICATOR) 
The rectangle indicator shows the percentage of battery capacity. 
1.10 “LOAD” bar graph (RECTANGLE INDICATOR) 
The indicator shows the power being drawn by the load. 
1.11 “FAULT” codes (LCD Panel only) 
The relevant value appears at the upper screen. There are seven kinds of fault modes can 
be displayed. 
E01: Warning of fail output 
E02: Warning of wrong temperature 
E03: Warning of output short circuit 
E04: Warning of overload (exceeding 150%) 
E05: Warning of mistaken +/- DC Bus 
E06: Warning of wrong electrical charging voltage 
E07: Warning of batteries mistake 
Load Indicator
Light no.5 
Light no.4 
Light no.3 
Light no.2 
Light no.1 
% of Load Value
over 96% 
76-95 % 
51-75 % 
26-50 % 
10-25 % 
Battery Indicator
Light no.5 
Light no.4 
Light no.3 
Light no.2 
Light no.1 
% of Bat Level
over 91 % 
76-90 % 
51-75 % 
26-50% 
0-25% 
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