PowerWalker VI 750R - Manual (Page 8)

3. SYSTEM DESCRIPTION
5. Input Type (Operating Mode) LED:
Normal mode: The Yellow LED indicator will illuminate during normal
mode, the UPS accepts AC input voltage range from +/-20%.
Generator: No change to voltage window. However, the low frequency
transfer point is changed to 40Hz and there is no limitation for high
frequency transfer point.
Wide range: The LED indicator will illuminate, the UPS accepts AC
input voltage range from -30% ~ +20%.
6. Voltage Range (Output Voltage Mode) LED:
UPS Output voltages selection: 110VAC/120VAC/127VAC or
220VAC/230VAC/240VAC.
7. Bad Battery LED:
The LED indicator will light on when the battery is failed or if the
battery is disconnected, LED will flash every two seconds. Please
check your battery connection; replace the battery or contact your
local dealer for a battery replacement kit.
8. Overload LED:
The LED indicator will light on when the UPS overload timeout.
9. Fault LED:
The LED indicator will light on when the UPS fails/overload is
timeout /or short-output.
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