Output short circuit or
overload on UPS
Turn off UPS, take off all load to
make sure there are no
problems on it or any internal
short circuit. Keep pressing
the ON button over 1 second
No power source input Check out the input power source Indicates no utility,
and it warns
every
several
seconds
Non-fuse switch on the
rear panel hasn't
been opened
Press the Non-fuse switch to its "on"
position
Fault light is on, the
buzzer
keeps
beeping
UPS is broken Contact the dealer or service center
for help
Buzzer keeps
beeping
Overload Take off some load
There is an open circuit
on UPS input
protector
Move the Input Non-fuse switch back
to its normal position,
re-engage UPS
Utility Indicating
light is
shining
The voltage of utility is
exceeding UPS
input range
Save the digital data and shutdown
the applying program to
make sure utility is within
UPS range
Batteries haven't been
charged
UPS overload
Batteries are aged and
can't be charged
fully
Keep UPS "ON" for over 3 hours to
recharge the batteries.
Check out the loading and
take off any non-crucial load
equipment
Available time of
the batteries
is too short
The charger is out of
order
Contact the dealer or service center
for help
The battery’s light
is flashing
when the
power of
UPS is
supplied by
utility.
The voltage of batteries
is too low or the
batteries haven't
been connected
Check out the batteries part of UPS,
make sure they are well
connected. If there is any
damage on battery packs,
replace new ones ASAP
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