85
Fault code
Fault name
Corrective measures
514
Meter Communi-
cation Abnormal
Alarm
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
2. Reconnect the communication cable of the
meter.
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
323
Grid Confrontation
1. Check whether the output port is connected to
actual grid. Disconnect it from the grid if so.
2. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the fault persists.
75
Inverter Parallel
Communication
Alarm
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
2. Reconnect the communication cable of the
meter.
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
7, 11, 16, 19–
25, 30–34, 36,
38, 40–42, 44–
50, 52–58, 60–
69, 85, 87, 92,
93, 100–105,
107–114, 116–
124, 200–211,
248–255, 300–
322, 324–328,
401–412, 600–
603, 605, 608,
612, 616, 620,
622–624, 800,
802, 804, 807,
1096–1122
System Fault
Wait for the inverter to return to normal.
Disconnect the AC and DC switches, and recon-
nect the AC and DC switches 15 minutes later to
restart the inverter. If the fault still exists, contact
Sungrow Customer Service.
User Manual
Summary of Contents for SG250HX-US
Page 2: ......
Page 6: ......
Page 10: ......
