13
Operating mode Description
LCD display
Bypass mode
When input voltage is within acceptable
range but UPS is overload, UPS will enter
bypass mode or bypass mode can be set
by front panel. Alarm is sounding every
10 second.
Standby mode
UPS is powered off and no output supply
power, but still can charge batteries.
3-7. Faults Reference Code
Fault event
Fault code Icon Fault event
Fault code Icon
Bus start fail
01
x
Inverter voltage Low
13
x
Bus over
02
x
Inverter output short
14
Bus under
03
x
Battery voltage too high 27
Bus short-circuited
05
x
Battery voltage too low
28
Inverter soft start fail
11
x
Over temperature
41
x
Inverter voltage high
12
x
Over load
43
3-8. Warning indicator
Warning
Icon (flashing)
Alarm
Low Battery
Sounding every second
Overload
Sounding twice every second
Battery is not connected
Sounding every second
Over Charge
Sounding every second
Site wiring fault
Sounding every second
Over temperature
Sounding every second
Charger failure
Sounding every second
Battery fault
Sounding every second
Battery replacement
Sounding every 2 second
Out of bypass voltage range
Sounding every second
Bypass frequency unstable
Sounding every second
EEPROM error
Sounding every second
