User manual

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Fan fail Fan abnormal Check if the fan is running
Battery over voltage Battery is over
charged
Switching to battery mode
automatically, and after the
battery voltage is normal and
the mains is normal, the UPS
would Switching to line mode
automatically again.
Battery low Battery voltage is
low
When audible alarm
sounding every second,
battery is almost empty.
Charge fail The charge is
broken
Notify dealer.
DC-DC temperature
high
Inside
temperature of the
UPS is too high
Check the ventilation of the
UPS, check the ambient
temperature.
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
ventilation.
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.