NXRi-6KL, NXRi-10KL USER MANUAL
UNINTERRUPTIBLE POWER SUPPLY (UPS)
Xtreme Power Conversion® (XPC) Corporation (Rev 2/7/13)
Page 48
TROUBLESHOOTING
If the UPS does not operate correctly, please use the table below to troubleshoot the problems.
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.
Fault code is shown as 28, the icon
lights on LCD display, and
alarm beeps continuously.
Battery voltage is too low or
the charger is fault.
Contact your dealer.
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, the icon
lights on LCD display, 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.
