17
4 O P ER AT I O N
The following table describes the UPS status information:
—
4 .2 Operating mode
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Table 4: Symbols in operating mode
Status
LCD Screen
Description
Online mode
When the input voltage is within acceptable range, UPS will provide
pure and stable AC power to output. The UPS will also charge the
battery in online mode.
ECO mode
Energy saving mode:
When the input voltage is within voltage regulation range, UPS will
bypass voltage to output for energy saving.
Frequency
converter mode
When input frequency is within 40 Hz to 70 Hz, the UPS can be set at
a constant output frequency, 50 Hz or 60 Hz. The UPS will still
charge battery under this mode.
Battery mode
When the input voltage is beyond the acceptable range or power
failure and alarm is sounding every 4 second, UPS will backup power
from battery.
Bypass mode
When input voltage is within acceptable range but UPS is
overloaded, UPS will enter bypass mode or bypass mode can be set
from front panel. Alarm sounds every 10 second.
Standby mode
UPS is powered off and no output supply power, but still can charge
batteries.
Overload warning
When the UPS is in overload, an alarm sounds twice every second.
will flash. Disconnect unnecessary loads one by one to decrease
the load. The load should be lower than 90 percent of its nominal
power capacity in order to stop alarming.
Overload fault
When the UPS is in overload fault, an alarm sounds continuously.
Overload icon will be on. At this time, UPS will stop operation and
there is no output power on receptacles.
Please check chapter 6.Troubleshooting to solve this problem.
Battery test
UPS is performing a battery test. will flash.
25
%
50
%
75
%
100%
BAT
T
LO
AD
25
%
50
%
75
%
100%
LOAD
VAC
25
%
50
%
75
%
100%
BAT
T
LO
AD
25
%
50
%
75
%
100%
LOAD
EC
O
VAC
25
%
50
%
75
%
100%
BAT
T
LO
AD
25
%
50
%
75
%
100%
LOAD
VAC
25
%
50
%
75
%
100%
BAT
T
LO
AD
25
%
50
%
75
%
100%
LOAD
VDC
M
25
%
50
%
75
%
100%
BAT
T
LO
AD
25
%
50
%
75
%
100%
LOAD
VAC
25
%
50
%
75
%
100%
BAT
T
LO
AD
VAC
