icon and the fault code will be displayed.
3.7. Faults Reference Code
Fault event Fault code
Icon Fault event Fault code
Icon
Bus start fail 01 x Inverter output short 14
Bus over 02 x Battery voltage too high 27
Bus under 03 x Battery voltage too low 28
Inverter soft start fail 11 x Over temperature 41
Inverter voltage high 12 x Over load 43
Inverter voltage Low 13 x
3.8. Warning indicator
Warning Icon (flashing) Alarm
Low Battery
Sounding every 2 seconds
Overload
Sounding every 2 seconds
Battery is not connected
Sounding every second
Over Charge
Sounding every 2 seconds
Site wiring fault
Sounding every 2 seconds
EPO enable
Sounding every 2 seconds
Over temperature
Sounding every 2 seconds
Charger failure
Sounding every 2 seconds
Battery fault
Sounding every 2 seconds
(At this time, UPS is off to remind users
something wrong with battery)
Out of bypass voltage range
Sounding every 2 seconds
Bypass frequency unstable
Sounding every 2 seconds
EEPROM error
Sounding every 2 seconds
Fan failure
Sounding every 2 seconds
Battery replacement
Sounding every 2 seconds
NOTE: “Site Wiring Fault” function can be enabled/disabled via software. Please check
software manual for the details