Sungrow SG25CX-P2 User Manual page 128

9 Troubleshooting and Maintenance
Fault Code
84
514
323
75
118
Fault Name Corrective Measures
1. Check if the meter is wrongly connected.
2. Check if the input and output wiring of the me-
Reverse Connec-
ter is reversed.
tion Alarm of the
3. If the existing system is enabled, please check
Meter/CT
if the rated power setting of the existing inverter
is correct.
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
Meter Communi-
2. Reconnect the communication cable of the
cation Abnormal
meter.
Alarm
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
1. Check whether the output port is connected to
actual grid. Disconnect it from the grid if so.
Grid Confrontation
2. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the fault persists.
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
Inverter Parallel
2. Reconnect the communication cable of the
Communication
meter.
Alarm
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
User Manual