22
Alarm Behavior Table
Fault Description
Line Mode
Backup Mode
Fault
Code
No. of Beeps
AC Output
No. of Beeps
AC Output
Overload 1 (V
out
<195V)
/
/
0
OFF
0
Output RMS voltage low
/
/
2
OFF
2
Over temperature/Short-circuited
/
/
3
OFF
3
Fan locked
4
ON
4
OFF
4
Battery voltage high
5
ON
/
/
5
Overload 2 (V
out
≧
195V; P
out
﹥
80% rated half-wave load)
6
ON
6
OFF
6
AC output abnormal
/
/
7
OFF
7
Output voltage RMS high
/
/
8
OFF
8
Peak output voltage high
/
/
8
OFF
8
Utility connection error
9
OFF
9
OFF
9
PV current high
1BP/s
ON
1BP/s
ON
11
Solar charger over-temperature
1BP/s
ON
1BP/s
ON
12
Battery voltage high for Solar
charger
1BP/s
ON
1BP/s
OFF
13
PV over-voltage
1BP/s
ON
1BP/s
ON
14
NTC opened
1BP/s
ON
1BP/s
ON
15
Solar charger MOSFETs /Relay
damaged
1BP/s
/
1BP/s
/
16
Note: please contact your service representative in the event the alarm behavior is
not included in the table above.