Xtreme Power Conversion Corporation
NXTi 3P-1P User’s Manual
Page 30
Uninterruptible Power Supply
I/P fuse broken
Beeping every second
Overload 3 times in 30min
Beeping every second
Warning Code
Warning code Warning event
Warning code Warning event
01
Battery unconnected
10
L1 IP fuse broken
02
IP Neutral loss
21
Line loss situation is different in
parallel system
04
IP phase abnormal
22
Bypass loss situation is different in
parallel system
07
Over charge
33
Locked in bypass after overload 3
times in 30min
08
Low battery
34
Converter current unbalance
09
Overload
35
Battery fuse broken
0A
Fan failure
36
Inverter inter-current unbalance
0B
EPO enable
3A
Cover of maintain switch is open
0D
Over temperature
3B
Phase auto adapt failure
0E
Charger failure
Troubleshooting
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 con-
nected well.
Check if input cable firmly con-
nected 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 sec-
ond.
The external or internal battery
is incorrectly connected.
Check if all batteries are connected
well.