Sungrow SH3K6 - Page 81

User Manual 8 Troubleshooting and Maintenance
73
Code
Specification
Troubleshooting
623
Slave DSP communication
fault.
recovery or restart the system.
624
BDC soft-start fault.
800,802
804,807
BDC internal permanent faults.
Restart the system
900,901
BDC temperature sensor
warnings
1. Check and clean the heat sink.
2. Check whether the inverter is
installed in sunlight or the ambient
temperature of the enclosure
exceeds 45℃.
3. Restart the system.
906
Transformer direction
recognition error.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Wait a moment for system
recovery or restart the system.
910
FRAM2 warning
Restart the inverter.
For Battery Side
For the battery faults, please consult the battery manufacturer for a solution.
Code
Specification
Troubleshooting
703
Battery average
under-voltage fault.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Wait a moment for system recovery
or restart the system.
707
Battery over-temperature
fault.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Check the ambient temperature of
the battery location.
3. Wait a moment for system recovery
or restart the system.
708
Battery
under-temperature fault.
711
Instantaneous battery
over-voltage.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Wait a moment for system recovery
or restart the system.
712
Battery average
over-voltage fault.
714
Abnormal communication
between battery and the
hybrid inverter.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Check the battery type and
communication connection. For
lead-acid batteries, you should
manually set the battery type.
3. Wait a moment for system recovery