
6. Operation
Power On/Off
Once the inverter has een properly installed, press the power switch to turn on the unit. The
unit will work automatically in line mode or inverter mode according to input utility power's
status. When press the power switch again, the unit will e turned off.
LED Indicators & Audible Alarms
There are three indicators (Green/Red/Yellow) in the front panel of the unit.
Status Indicator Alarm
Line mode Green LED lighting Off
Battery mode Yellow LED lighting Off
Shutdown mode Yellow LED flashing every 5 sec. Off
Battery charging at
power on.
Green LED flashing every 2 sec. Off
Battery fully charged at
power on.
Green LED lighting Off
Battery charging at
power off.
Green LED flashing every 4 sec. Off
Battery fully charged at
power off.
Green LED flashing every 10 sec. Off
Battery weak at attery
mode.
Yellow LED flashing every sec. Sounding every 2 sec.
Fault mode. Red LED lighting Continuously sounding for
30 min. and then
shutdown.
The unit is overload. Red LED flashing for 0.5 sec.
every sec.
Sounding every 0.5 sec.
The unit is over charged. Red LED flashing every 4 sec. Continuously sounding for
30 min. and then
shutdown.
Operation Mode Selector
a). “UPS”: setting for conventional electrical appliance.
If you select this mode, the unit's input utility range will e 162~290VAC as normal home UPS.
If the utility is higher or lower than this range, the unit will transfer to inverter mode
automatically. And you can connect the computer systems or other precision home
equipment when you select this operation mode.
). “INV.”: setting for energy saving
If you select this mode, the unit's input utility range will e extended to 90~280VAC. If the
utility is higher or lower than this range, the unit will transfer to inverter mode automatically.
So, you can connect the home equipments, such as light ul , fluorescent tu e, fan, or TV
on this mode.
Caution!! If you select the “INV.” mode and connect the computer to the output of the unit,
the computer may re oot if the input voltage is too low to e accepted.
7. Trouble Shooting
Use the ta le elow to solve minor pro lems.
Problem Possible Cause Solutions
Utility power is
normal ut the unit
is in attery mode.
AC input power cord is not
connected well.
Check AC input power connection.
Input reaker is activated. Reset the input reaker.
When power fails,
the ackup time is
shorten.
The unit is overload. Remove some non-critical loads.
Battery voltage is too low. Charge the unit at least 8 hours.
Battery capacity is not full
even after charge the unit
at least 8 hours.
Check the date code of the
the atteries are too old, replace the
atteries.
No LED display on
the front panel when
the utility power is
normal.
The unit is not turned on.
Press power switch to turn on the
unit.
Battery is not connected well.
Check the external attery
terminal. Make sure all the attery
connections to the unit are all correct.
Battery defect. Replace the atteries.
Battery voltage is too low. Charge the unit at least 8 hours.
The unit is in fault
and restart circularly.
The unit is overload.
Verify that the load matches the
capa ility specified in the
specification.
Output is short circuited. Check the loads and remove load
which cause short circuit.
If there is any a normal situations occur, which doesn't list a ove, please call the service
people immediately for professional examine.