4. Operation
4.5 Fault Code Reference
Fault code
Fault event
01
Bus voltage is too high
02
Inverter voltage is too high
03
Inverter voltage is too low
04
Bus soft start failure
05
Overload fault
06
Output short circuited
07
Battery voltage is too low
08
Inverter soft start failure
09
Bus voltage is too low
10
Parallel fault
11
Over temperature
12
Battery voltage is too high
13
A-phase lost
14
B-phase lost
15
C-phase lost
16
AC output voltage and frequency setting is different
17
AC input voltage and frequency detected different
18
Power feedback protection
19
Firmware version inconsistent
20
Current sharing fault
23
PV is over-current
24
PV over-temperature
25
PV overload
26
PV boost fault
4.6 Warning Indicators
Warning Code
Warning Event
01
Battery voltage is too low
02
Input voltage is too low
03
Input voltage is too high
04
Overload
05
Over-temperature
06
Fan is locked when inverter is on
07
Battery voltage is too high
21
PV voltage is too low
22
PV voltage is too high
24