Xtreme Power Conversion E90 Series, Руководство по обслуживанию, Страница: 39 / 66

Xtreme Power Conversion Corporation
E90 Service Manual
Page 39
Uninterruptible Power Supply
Common fault troubleshooting
LCD display
fault code
UPS alarm Buzz LED
The board may be damaged(1 shows the max.
Probability, 2 shows the less probability)
1 2 3
1 Rectifier fault long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
2 Inv.
fault(include Inv.
Bridge arm )
long beep Fault ON INV power
board
INV inductor
board
control detec -
tion board
3 Inv. SCR short long beep Fault ON INV inductor
board
control detec -
tion board
4 Inv. SCR break long beep Fault ON INV inductor
board
control detec -
tion board
5 Bypass SCR short long beep Fault ON PFC inductor
board
control detec -
tion board
6 Bypass SCR
break
long beep Fault ON PFC inductor
board
control detec -
tion board
7 Fuse broken long beep Fault ON INV inductor
board
8 Paralle Relay
fault
long beep Fault ON control detec -
tion board
9 Fan fault long beep Fault ON fan INV power
board
10 Reserve long beep Fault ON
11 Auxiliary power
fault
long beep Fault ON INV power
board
control detec -
tion board
12 Power initializa-
tion fault
long beep Fault ON control detec -
tion board
13 Positive battery
Charge fault
long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
14 Negative battery
Charge fault
long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
15 Bus over-voltage long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
16 Bus under-volt-
age
long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
17 Large difference
between ±Bus
long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
18 Soft start fail long beep Fault ON PFC power
board
PFC inductor
board
control detec -
tion board
19 Rectifier over-
temperature
twice/s Fault ON PFC power
board
fan
20 Inv. Over-tem-
perature
twice/s Fault ON INV power
board
fan