PowerWalker VFI 1000 LE - Manual (Page 6)

- 6 -
1.3.2 LED display
LED definition
There are total 6 LEDs to indicate the status of UPS.
LED No. Colour Name Function
1~3 Green
Load/Battery
level LED
Indicate the load level in line mode
or bypass mode.
Indicate the battery level in battery
mode.
4 Green
Inverter status
LED
If it is turned on constantly, it shows
that the load current is supplied
from utility power or battery via the
inverter.
5 Orange
Bypass/Batter
y mode LED
If it is turned on constantly, it shows
that the UPS is in battery mode,
and the load current is from battery
via the inverter.
If it is flashing, it shows that the
UPS is in bypass mode, and the
load current is directly from the
utility power.
6 Red
Fault/Warning
mode LED
If it is turned on constantly, it shows
that the UPS is in fault mode;
If it is flashing, it shows that the
UPS is in warning status.