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LED Indicators & Audible Alarms

There are four LED indicators in the front panel of the unit

LED Indicators

Backup Mode

Line Mode

Charger Mode

Low battery voltage warning

overload warning

Fault mode

Messages

Buzzing continuously and red LED is on

Buzzing every 2 seconds and red LED blinking

Buzzing every 2 seconds and red LED blinking

BYPASS

AC INPUT

AC OUTPUT

BATTERY

FAULT

BYPASS

AC INPUT

AC OUTPUT

BATTERY

FAULT

BYPASS

AC INPUT

AC OUTPUT

BATTERY

FAULT

All of LEDs is off.

Buzzing every 2 seconds

Program Description

Grid frequency type

50Hz (default)

60Hz 

04

-7-

Setting program information

Program

Value

LCD Setting

After pressing and holding “ENTER” button for 2 seconds, the unit will enter setting mode. Press 
"ENTER" button to select setting programs. Press "SEL" button to change parameter. Press “ESC” 
button for 2 seconds to exit. All the parameters will take effect, after resetting machine.

Alarm

 ON (default)

24

 OFF

Enable key sound

 ON (default)

25

 OFF

If you want to reset all the parameters, pressing “SEL” button for 2 seconds will enter into reset 
settings dialog. Please select “DEF” through “SEL” button. Press “ESC” button for 2 seconds to exit 
and all parameters will be default state. Reset machine and all the parameters will take effect.

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