26
3-9. Fault Code
Fault event
Fault code Icon Fault event
Fault code Icon
Bus start failure
01
None Battery SCR short circuited
21
None
Bus over
02
None Inverter relay short circuited
24
None
Bus under
03
None Charger short circuited
2a
None
Bus unbalance
04
None Can communication fault
31
None
Inverter soft start failure
11
None Parallel output current
unbalance
36
None
High Inverter voltage
12
None Over temperature
41
None
Low Inverter voltage
13
None CPU communication failure
42
None
Inverter output short circuited
14
Overload
43
Negative power fault
1A
None Battery turn-on failure
6A
None
Inverter over current
60
None PFC current failure in battery
mode
6B
None
Inverter current detection
error
6D
None Bus voltage changes too fast
6C
None
Transformer over temperature
77
None SPS 12V abnormal
6E
None
3-10. 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
I/P fuse broken
Beeping every second
Overload 3 times in 30min
Beeping every second
3-11 Warning Code
Warning code Warning event
Warning code Warning event
01
Battery unconnected
10
L1 IP fuse broken
07
Over charge
21
Line situations are different in
parallel system
08
Low battery
22
Bypass situations are different in
parallel system
09
Overload
33
Locked in bypass after overload 3
times in 30min
0A
Fan failure
3A
Cover of maintain switch is open
0B
EPO enable
3D
Bypass unstable
0D
Over temperature
3E
Boot loader is missing
0E
Charger failure
42
Over-temperature on transformer
44
Failure on parallel redundancy
45
Overload on parallel redundancy