1 .After shutdown,Check the panel terminal.
2.Restart inverter.
3.If error message still exists,contact manufacturer.
Leaka ge c u r -
r en t too high.
1 .Restart inverter.
2.If error message still exists,contact manufacturer.
The DC input volt-
age is exceeding
the maximum toler-
able value.
1 .Immediately disconnect the DC switch and check the volt-
age
2.If the fault code still exists after the normal voltage is re-
stored, contact manufacturer
1.After shutdown, check whether the panel shell is reliably
grounded.
2.If error message still exists,contact manufacturer.
1 .Check grid voltage.
2.If the error message still exists despite the grid voltage be-
ing within the tolerable range, contact manufacturer.
AC ter mi n a l s re-
versed
1 .Check AC terminals
2.If error message still exists,contact manufacturer.
1 .After shutdown,Check AC wiring.
2.If error message still exists,contact manufacturer.
1 .Check PE,to ensure that the PE line contact good. 2.If error
message still exisits,contact Manufacturer.
1 .Restart inverter.
2.If error message still exists,contact manufacturer.
1.Check whether output load over range; If load too large,
please reduce load
2.If error message still exists, contact manufacturer.
1 .After shutdown Check the SP-CT connection.
2.If error message still exists,contact manufacturer.
Co mm un i c at i o n
fault M3 didn't re-
ceive SP-CT data
1 .Check communication wire
2.If error message still exists,contact manufacturer.
Co mm un i c at i o n
fault;Pairing time
too long
1 .Restart pairing
2.If error message still exists,contact manufacturer.