17
Standby
mode
UPS is powered off without output
power, but the battery still can be
charged.
Fault mode
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.
3-7. Faults Reference Code
Fault event
Fault
code
Icon
Fault event
Fault
code
Icon
Bus start fail
01
x
Low Inverter voltage
13
x
Bus over
02
x
Inverter output short
14
Bus under
03
x
Battery voltage too high
27
x
Bus unbalance
04
x
Battery voltage too low
28
Inverter soft start fail
11
x
Over temperature
41
x
High Inverter voltage
12
x
Overload
43
3-8. Warning indicator
Warning
Icon (flashing)
Code
Alarm
Low Battery
Sounding every second
Overload
Sounding twice every second
Battery is not connected
Sounding every second
Overcharge
Sounding every second
Site wiring fault
Sounding every second
EPO enable
Sounding every second
Over temperature
Sounding every second
Charger failure
Sounding every second
Battery Fault
Sounding every second
Bypass Out Range
Sounding every second
Bypass Frequency Unstable
Sounding every second