Xtreme Power Conversion Corporation
TX91 3.8- 10kVA User’s Manual
Page 31
Uninterruptible Power Supply
4.4 Troubleshooting Chart
Symptom
Possible cause
Remedy
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 overloaded.
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 out
-
put 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 automati
-
cally because short circuit oc
-
curs on the UPS output.
Check output wiring and if con
-
nected devices are in short circuit
status.
Fault code is shown as 01, 02, 03, 04, 11,
12, 13, 14,1A, 21, 24, 35, 36, 41, 42 or 43
on LCD display and alarm beeps continu
-
ously.
A UPS internal fault has oc
-
curred. There are two possible
results:
1. The load is still supplied,
but directly from AC power via
bypass.
2. The load is no longer sup
-
plied 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.