Suntrio Plus Series
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Table 7.2 Troubleshooting
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
negative 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
negative 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’s system design
software 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’s system design
software 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.
