-10-
Indicates the UPS output state, it would always be
displayed
Indicates the UPS output is shut off only if it is
displayed
Load Information
Indicates the load percent in Watt or VA, only the
maximum value of them could be displayed from 0
to 199%
Indicates the load or the UPS output is short and
the UPS would shut down
Indicates the load is over the SPEC range
Indicates the load percent, and every grid
represent 25% load.
Indicates the load is over the SPEC range
Battery Information
Indicates the battery voltage value, which could
be displayed from 0 to 999Vdc
Indicates the battery capacitance percent, and
every grid represent 25% capacitance.
Indicates the UPS is working in the battery mode,
and the battery is discharged for supplying the
load
Indicates the battery is over charged, and the
UPS would be switched to Battery mode
Indicates the battery is weak, and the UPS would
shut down soon
Mode/Fault/Warning UPS Operating Information
Indicates the operating mode of the UPS, Mode
code or Fault code or Warning code could be
displayed, and the codes are illuminated in detail
in the following chapter
-29-
Inverter temperature
high
Inside temperature
of the UPS is too
high
Check the ventilation of the
UPS, check the ambient
temperature.
Ambient temperature
high
The ambient
temperature is too
high
Check the environment
ventilatio n.
Line voltage high
(OVCD action)
Input power
voltage is too high
Switching to battery mode
automatically, and after the
mains is normal, the UPS
would Switching to line
mode automatically again.
Battery open
Battery pack is not
connected
correctly
Do the battery test to
confirm.
Check the battery bank is
connected to the UPS.
Check the battery breaker is
turn on.
Overload
Overload
Check the loads and
remove some non-critical
loads.
Check whether some loads
are failed.
Site fail
Phase and neutral
conductor at input
of UPS system are
reversed
Rotate mains power socket
by 180° or connect UPS
system.
EPO active
EPO function is
enabled
Plug into the EPO switch.
Bus fault
UPS internal fault
Notify dealer
Inverter fault
UPS internal fault
Notify dealer
Over temperature
fault
Over temperature
Check the ventilation of the
UPS, check the ambient
temperature and ventilation.
Inverter short
Output short circuit
Remove all the loads. Turn
off the UPS. Check whether
the output of UPS and loads
is short circuit. Make sure
the short circuit is removed,
and the UPS has no internal
faults before turning on
again.
Bus short
UPS internal fault
Notify dealer