Fault Code - Battery Backup Power 15KL Manual

3-7. Fault Code

Fault code Fault event
01 Bus start failure
02 Bus over
03 Bus under
04 Bus unbalance
Converter over current
06
11 Inverter soft start failure
12 High inverter voltage
Inverter B output(line to
15
neutral) short circuited
Inverter C output(line to
16
neutral) short circuited
Inverter A-B output (line
17
to line) short circuited
Inverter B-C output (line
18
to line) short circuited
Inverter C-A output (line
19
to line) short circuited
Inverter A negative
1A
power fault
Inverter B negative
1B
power fault
Inverter C negative
1C
power fault
Battery SCR short
21
circuited
Inverter relay open
23
circuited
Inverter relay short
24
circuited
25 Line wiring fault
Parallel communication
31
failure
The host signal failure
32
Synchronous signal
33
failure
Synchronous trigger
34
signal failure
Parallel communication
35
loss
Parallel output current
36
unbalance
Over temperature
41
Icon Fault code
None 42
None 43
None 46
None 47
None
48
None 60
None 61
None
62
None
63
None
64
None
65
None
66
None
67
None
68
None
69
None
6C
None
6D
None
6E
None 6F
None
71
None
72
None
73
None
74
None
75
None
76
None
77
36
Fault event
DSP communication failure
Overload
Incorrect UPS setting
MCU communication failure
Two DSP firmware versions
are incompatible in parallel
system.
Bypass phase short circuited
Bypass SCR short circuited
Bypass SCR open circuited
Voltage waveform abnormal
in R phase
Voltage waveform abnormal
in S phase
Voltage waveform abnormal
in T phase
Inverter current sample
abnormal
Bypass O/P short circuited
Bypass O/P line to line short
circuited
Inverter SCR short circuited
BUS voltage drops too fast
Current sampling error value
SPS power error
Battery polarity reverse
PFC IGBT over-current in R
phase
PFC IGBT over-current in S
phase
PFC IGBT over-current in T
phase
INV IGBT over-current in R
phase
INV IGBT over-current in S
phase
INV IGBT over-current in T
phase
LCD & MCU communication
failure
Icon
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None