Page
43
to
62
Problem
LCD/LED/Buzzer
Explanation / Possible cause
What to do
Buzzer
beeps
continuously and
red LED is on.
Fault code 55
Output voltage is unbalanced.
Restart the unit, if the error
happens
again,
please
return to repair center.
Fault code 59
PV input voltage is beyond the
specification.
Reduce the number of PV
modules in series.
Appendix A: Approximate Back-up Time Table
Model
Load (VA)
Backup Time @ 48Vdc 100Ah (min)
Backup Time @ 48Vdc 200Ah (min)
SPCIII6000-48
500
613
1288
1000
268
613
1500
158
402
2000
111
271
2500
90
215
3000
76
182
3500
65
141
4000
50
112
4500
44
100
5000
40
90
5500
36
81
6000
33
73
Note:
Backup time depends on the quality of the battery, age of battery and type of battery.
Specifications of batteries may vary depending on different manufacturers
