SAJ Sununo Plus Series User Manual page 44

Frequency Error
No Grid Error
GFCI Error
DCI Error
ISO Error
Current High
Bus Voltage High
PV Current High
PV Voltage Fault
Lost Communication
still in this error, please contact your distributor or phone SAJ.
Check the set of country and check the frequency of the local
grid, if the above mentioned are in normal, please contact your
distributor or phone SAJ.
Check the connection status between the AC side of the inverter
and the grid, if the above mentioned are in normal, please
contact your distributor or phone SAJ.
Check the insulation resistance of the positive side and cathode
side of the solar panel; check whether the inverter is in wet
environment; check the grounding of the inverter. If the above
mentioned are in normal, please contact your distributor or
phone SAJ.
If this error exists always, please contact your distributor or
phone SAJ.
Check the insulation resistance of the positive side and cathode
side of the solar panel; check whether the inverter is in wet
environment; check whether the grounding of the inverter is
loose or not. If the above mentioned are in normal, please
contact your distributor or phone SAJ.
Check the connection status between the inverter and the grid
and test whether the volt of the grid is stable or not, if the above
mentioned are in normal, please contact your distributor or
phone SAJ.
Check the settings of the solar panel. SAJ designer can help
you.If the above mentioned are in normal, please contact your
distributor or phone SAJ.
If this error exists always, please contact your distributor or
phone SAJ.
Check the settings of the solar panel. SAJ designer can help you.
If the above mentioned are in normal, please contact your
distributor or phone SAJ.
Check the connection of communication cables between control
board and display board. If the above mentioned are in normal,
please contact your distributor or phone SAJ.
Table 7.2 Troubleshooting
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Sununo Plus Series