Goodwe SDT G2 Series User Manual page 50

09 Maintenance
No. Fault
1 Ver. Error
2
3 Vac Fail
4 Fac Fail
Cause Solutions
Wrong software
software.
1.
1.
failure.
2. Make sure that the upstream switches of
2.
3.
disconnected.
1.
The utility grid
2.
allowed range.
1.
2.
The utility grid 3.
the allowed range.
4.
46
User Manual V1.1-2022-08-15
under the same grid connection point is
working normally and whether the main
supply is normal.
and the neutral wire and PE cable are
the allowed range.
and the neutral wire and PE cable are
under the same grid connection point is
working normally, and whether the main
supply is normal.
within the allowed range.
and the neutral wire and PE cable are
fault. If it happens occasionally, the fault
may be caused by the instantaneous
not need to be handled.