·Check the volt . of the grid
·Check the connection between the inverter and the grid.
·Check the settings of the on -grid standards of the inverter.
·If the volt . of the grid is higher than the volt. regulated by
local grid, please inquire the local grid workers whether they
can adjust the volt. at the feed point or change the value of the
regulated volt.
·If the volt . of the grid is in regulated range as allowed and
LCD still in this error, please contact your distributor or call