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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
Possible cause
Remedy
No indication and alarm in the front
display panel even though the mains is
normal.
The AC input power is not
connected well.
Check if input cable firmly
connected to the mains.
The icon
and the warning code
flash on LCD display and alarm
beeps every second.
EPO function is enabled.
Set the circuit in closed
position to disable EPO
function.
The icon
and
flash on LCD
display and alarm beeps every second.
The external or internal
battery
is
incorrectly
connected.
Check if all batteries are
connected well.
The icon
and
flash on LCD
display and alarm beeps twice every
second.
UPS is overload.
Remove excess loads from UPS
output.
UPS is overloaded. Devices
connected to the UPS are fed
directly by the electrical
network via the Bypass.
Remove excess loads from UPS
output.
After repetitive overloads, the
UPS is locked in the Bypass
mode. Connected devices are
fed directly by the mains.
Remove excess loads from UPS
output first. Then shut down
the UPS and restart it.
Fault code is shown as 43. The icon
lights on LCD display and alarm
beeps continuously.
UPS is overload too long and
becomes fault. Then UPS shut
down automatically.
Remove excess loads from UPS
output and restart it.
Fault code is shown as 14 and alarm
beeps continuously.
The
UPS
shut
down
automatically because short
circuit occurs on the UPS
output.
Check output wiring and if
connected devices are in short
circuit status.
Fault code is shown as 01, 02, 03, 04,
11, 12, 13, 14,1A, 21, 24, 41, 42 or 43
on LCD display and alarm beeps
continuously.
A UPS internal fault has
occurred. There are two
possible results:
1. The load is still supplied, but
directly from AC power via
bypass.
2. The load is no longer
supplied by power.
Contact your dealer.
Battery backup time is shorter than
nominal value
Batteries are not fully charged
Charge the batteries for at
least 7 hours and then check
capacity. If the problem still
persists, consult your dealer.
Batteries defect
Contact your dealer to replace
the battery.
The icon
and
flash on LCD
display and alarm beeps every second.
Fan is locked or not working;
or the UPS temperature is too
high.
Check fans and notify dealer.
Summary of Contents for Centurion RT 6000VA
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