11
Battery mode
Input voltage is beyond the
acceptable range or power failure
and alarm is sounding every 4
second, UPS will backup power
from battery.
Battery test mode
UPS will turn off charger, check if
battery and DC/DC are normal.
Bypass mode
Input voltage within acceptable
range but UPS is overload, UPS will
enter bypass mode or bypass mode
can be set up by the front panel.
Alarm is sounding every 10 second.
Fault mode
While a fault has occurred,
the ERROR icon and the fault code
will be displayed.
3-7. Faults Reference Code
Fault event
Fault code
Icon
Bus start fails
01
x
Bus over
02
x
Bus under
03
x
Bus unbalance
04
x
Bus short-circuited
05
x
Inverter soft start fails
11
x
Inverter voltage is high
12
x
Inverter voltage is low
13
x
Inverter output short-circuited
14
Battery voltage is too high
27
x
Battery voltage is too low
28
x
Over temperature
41
x
Over load
43