Sungrow SH5K - Battery Faults and Internal Issues

8 Troubleshooting and Maintenance User Manual
68
Code Specification Troubleshooting
2. Wait a moment for system recovery.
733
Battery over-temperature
protection.
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.
734
Battery under-temperature
protection.
735
Battery
charging/discharging
over-current protection.
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.
739
Battery under-voltage
protection.
1. The inverter can normally be
connected to the grid. Discharge has
stopped but charge is allowed.
2. Wait a moment for system recovery or
restart the system.
832
Battery FET fault or
electrical switch failure.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Check the battery port voltage and the
battery communication cable
connection.
3. Force a shutdown and restart the
inverter and battery system.
4. Wait a moment for system recovery or
restart the system.
834
Battery
charging/discharging
over-current permanent
fault.
836 ID competing failure
Restart the system, if the fault persists,
please contact SUNGROW for a solution.
837,
838
Battery internal faults.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Check the cable connection of the
battery.
3. Try to restart the inverter and battery.
839
Mismatched software
version.
Contact SUNGROW for a solution.
844
Software self-verifying
failure.
Restart the system, if the fault persists,
please contact SUNGROW for a solution.
866
Battery precharge voltage
fault.
1. The inverter can normally be
connected to the grid but
charge/discharge has stopped.
2. Check the battery port voltage and the
battery communication cable
connection.
867 Battery under-voltage fault.
868
Battery cell voltage
imbalance fault.
870 Battery cable connection