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4. Trouble Shooting
If the UPS system does not operate correctly, please solve the problem by using the table below.
Symptom
No indication and alarm in the front
display panel even though the mains is
normal.
The warning code 0B.
The warning code 01.
The warning code 09.
Fault code is shown as 43.
Fault code is shown as 14, 15, 16, 17,
18 or 19,
Other fault codes are shown on LCD
display and alarm beeps continuously.
Battery backup time is shorter than
nominal value.
The warning code 0A.
The warning code 02.
Possible cause
The AC input power is not
connected well.
EPO function is activated. At
this time, the EPO switch is in
"OFF" status or the jumper is
open.
The
external
or
battery
is
incorrectly
connected.
UPS is overload.
UPS is overloaded. Devices
connected to the UPS are fed
directly
by
the
network via the Bypass.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are
fed directly by the mains.
UPS is overload too long and
becomes fault. Then UPS shut
down automatically.
The
UPS
shut
automatically because short
circuit occurs on the UPS
output.
A
UPS
internal
fault
occurred.
Batteries are not fully charged.
Batteries defect
Fan is locked or not working.
Or the UPS temperature is too
high.
The input neutral wire is
disconnected.
The L2 or L3 input fuse is
broken.
38
Remedy
Check if input cable firmly
connected to the mains.
Set
the
position to disable the EPO
function.
internal
Check
if
connected well.
Remove excess loads from UPS
output.
Remove excess loads from UPS
electrical
output.
Remove excess loads from UPS
output first. Then shut down
the UPS and restart it.
Remove excess loads from UPS
output and restart it.
down
Check output wiring and if
connected devices are in short
circuit status.
has
Contact your dealer
Charge the batteries for at
least 7 hours and then check
capacity. If the problem still
persists, consult your dealer.
Contact your dealer to replace
the battery.
Check fans and notify dealer.
Check and correct the input
neutral
connection.
connection is ok and the
warning
is
please refer to the LCD setting
section, to enter the neutral
loss check menu, to see if the
parameter3 is "CHE". If it is,
please press the "Enter" key
firstly to make the "CHE" flash
and press the "Enter" key
secondly to make the UPS clear
the alarm. If the warning still
exists, please check input fuses
of L2 and L3.
Replace the fuse.
circuit
in
closed
all
batteries
are
If
the
still
displaying,
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