Xtreme Power Conversion Corporation
NXTi 3P-1P User’s Manual
Page 29
Uninterruptible Power Supply
Fault Code
Fault code
Fault event
Icon
Fault code
Fault event
Icon
01
Bus start failure
None
1A
Negative power fault
None
02
Bus over
None
21
Battery SCR short circuited
None
03
Bus under
None
24
Inverter relay short circuited
None
04
Bus unbalance
None
29
Battery fuse broken in Battery
mode
None
06
Converter over current
None
31
Parallel communication failure
None
11
Inverter soft start failure
None
36
Parallel output current unbal-
ance
None
12
High inverter voltage
None
41
Over temperature
None
13
Low inverter voltage
None
43
Overload
14
Inverter output short
circuited
46
UPS model abnormal
None
Warning Indicator
Warning
Icon (flashing)
Alarm
Battery low
Beeping every second
Overload
Beeping twice every second
Battery unconnected
Beeping every second
Over charge
Beeping every second
EPO enable
Beeping every second
Fan failure/Over temperature
Beeping every second
Charger failure
Beeping every second