Sununo Plus Series
- 43 -
still in this error, please contact your distributor or phone SAJ.
Frequency Error
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.
No Grid Error
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.
GFCI Error
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.
DCI Error
If this error exists always, please contact your distributor or
phone SAJ.
ISO Error
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.
Current High
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.
Bus Voltage High
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.
PV
Current High
If this error exists always, please contact your distributor or
phone SAJ.
PV Voltage Fault
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.
Lost Communication
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
