13
Battery mode
When the input voltage is beyond the
acceptable range or power failure and
alarm is Beeping every 4 second, UPS
will backup power from battery.
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 Beeping
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 unbalance
04
x
Battery voltage too low
28
Bus short
05
x
Over temperature
41
x
Inverter soft start fail
11
x
Over load
43
Inverter voltage high
12
x
3-8. Warning indicator
Warning
Icon (flashing)
Alarm
Low Battery
Beeping every second
Overload
Beeping twice every second
Battery is not connected
Beeping every second
Over Charge
Beeping every second
Over temperature
Beeping every second
Charger failure
Beeping every second
Battery fault
Beeping every second
Out of bypass voltage range
Beeping every second
Bypass frequency unstable
Beeping every second
EEPROM error
Beeping every second
