AccuLine CNQplus 1000RT User Manual page 33

Emergency supply
period shorter
than nominal
value
Fan fail
Battery over
voltage
Battery low
Charger fail
Inverter
temperature high
Ambient
temperature high
Battery open
Battery fault
Overload
Site fail
EPO active
Batteries not fully
charged / batteries
defect
Fan abnormal
Battery is over
charged
Battery voltage is low
The charger is
broken
UPS internal
temperature 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 the UPS
input are reversed
EPO function is
enabled
32
Charge the batteries for at
least
5 - 8 hours and then check
capacity. If the problem still
exists, consult your dealer.
Check if the fan is operating
if not, contact your dealer
Switching to battery mode
automatically. After battery
voltage is normal and the
mains is normal, the UPS will
switch to
automatically again.
When audible alarm sounds
every second, battery is
almost empty. Recharge them
for 5-8 hours. If the problem
remains contact your dealer
Notify dealer.
Check the ventilation of the
UPS, check the ambient
temperature.
Check the environment
ventilation.
Make sure that the battery
bank is connected to the
UPS.
Check that the battery
breaker is turned on.
Notify dealer
Check the loads and remove
some non-critical ones.
Check if some loads have
failed.
Rotate input power plug for
180° and re-connect UPS
system to the mains.
Turn off the EPO switch.
line mode