Sungrow SG30CX User Manual page 92

9 Troubleshooting and Maintenance
F F a a u u l l t t c c o o d d e e
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75
7, 11, 16,
19–25,
30–34, 36,
38, 40–42,
44–50,
52–58,
60–68, 85,
87, 92, 93,
100–105,
107–114,
116–124,
200–211,
248–255,
300–322,
324–326,
401–412,
600–603,
605, 608,
612, 616,
620, 622–
624, 800,
802, 804,
807, 1096–
1122
82
F F a a u u l l t t n n a a m m e e
Grid Confrontation
Inverter Parallel Com-
munication Alarm
System Fault
C C o o r r r r e e c c t t i i v v e e m m e e a a s s u u r r e e s s
1. Check whether the output port is con-
nected to actual grid. Disconnect it from the
grid if so.
2. Contact Sungrow Customer Service if the
preceding causes are ruled out and the fault
persists.
1. Check whether the communication cable
and the terminals are abnormal. If so, cor-
rect them to ensure reliable connection.
2. Reconnect the communication cable of
the meter.
3. Contact Sungrow Customer Service if the
preceding causes are ruled out and the fault
persists.
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and re-
connect the AC and DC switches 15 mi-
nutes later to restart the inverter. If the fault
still exists, contact Sungrow Customer
Service.
User Manual