PowerWalker VFI 1000RT LCD Manuel page 35

Battery over voltage
Battery low
Charge fail
Inverter temperature
high
Ambient
temperature high
Battery open
Battery fault
Overload
Site fail
EPO active
Bus fault(Low/high/
Unbalance/soft start)
Inverter
fault(Low/high/soft
start)
Over temperature
fault
NTC open
Inverter short
Bus short
Battery is over charged
Battery voltage is low
The charge is broken
Inside temperature of
the UPS is too high
The ambient
temperature is too high
Battery pack is not
connected correctly
Battery may need to be
replaced
Overload
Phase and neutral
conductor at input of
UPS system are
reversed
EPO function is
enabled
UPS internal fault
UPS internal fault
Over temperature
UPS internal fault
Output short circuit
UPS internal fault
Stop charging to battery
automatically, and after the
battery voltage is normal and the
mains is normal, charge
automatically again.
When audible alarm sounding
every second, battery is almost
empty.
Notify dealer.
Check the ventilation of the UPS,
check the ambient temperature.
Check the environment
ventilation.
Check the battery bank is
connected to the UPS.
Check the battery breaker is turn
on.
Notify dealer
Check the loads and remove
some non-critical loads.
Check whether some loads are
failed.
Rotate mains power socket by
180° or connect UPS system.
Turn off the EPO switch.
Notify dealer
Notify dealer
Check the ventilation of the UPS,
check the ambient temperature
and ventilation.
Notify dealer
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.
Notify dealer
EN
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