Troubleshooting guide

3-9. Fault codes
3-10. Warning indicators
Bus start failure
Bus over
Bus under
Bus unbalance
Inverter soft start failure
High Inverter voltage
Low Inverter voltage
Inverter output is short circuited
Negative power fault
Battery SCR short circuited
Inverter relay short circuited
Parallel communication failure
Output circuit circuited
Over temperature
CPU communication failure
Overload
01
02
03
04
11
12
13
14
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Fault event
Fault
code
1A
21
24
35
36
41
42
43
Fault
code
Fault eventIcon Icon
Low battery
Overload
Battery is not connected
Overcharge
EPO enable
Fan failure/Over temperature Beeps once every second
Beeps once every second
Beeps once every second
Beeps once every second
Beeps once every second
Charger failure
I/P fuse blown
Overload 3 times in 30min
Parallel protection
Beeps once every second
Beeps twice every second
Beeps once every second
Beeps once every second
Beeps once every second
Warning Icon (flashing) Alarm