Standby mode
Fault mode
3-7. Faults Reference Code
Fault event
Bus start fail
Bus over
Bus under
Bus unbalance
Bus short circuited
Inverter soft start fail
Inverter voltage high
3-8. Warning indicator
Warning
Low Battery
Overload
Battery is not connected
Over Charge
Site Fault
EPO enable
Over temperature
Charger failure
Battery fault
Out of bypass voltage range
Bypass frequency unstable
EEPROM error
UPS is powered off without output power,
but the battery still can be charged.
The UPS is in fault mode when no output
power is supplied from the UPS and the
fault icon flashes on the LCD display,
although the information of UPS can be
displayed in the screen.
Fault code
01
02
03
04
05
11
12
Icon (flashing)
Icon
Fault event
x
Inverter voltage Low
x
Inverter output short
x
Battery voltage too high
x
Battery voltage too low
x
Over temperature
x
Over load
x
Sounding every second
Sounding twice every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
Sounding every second
18
Fault code
Icon
13
x
14
27
28
41
x
43
Alarm
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