Must EW20-750VA Pro, Руководство пользователя

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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
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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.