Chint Power CPS SCA20KTL-DO Installation And Operation Manual page 92

3.GridF.OutLim
4.PVVoltOver*
3.Check whether the cable between the inverter
and power grid is disconnected or has any fault;
4.Contact after-sales service personnel
Definition:
Grid voltage frequency is abnormal, or power grid is
not detected
Possible causes:
1.Grid frequency is abnormal;
2.Cable connection between the inverter and the
grid is poor;
Recommended solutions:
1.Observe for 5 minutes and see whether the alarm
will be eliminated automatically;
2.Check whether the grid frequency is within the
specified range;
3.Check whether the cable between the inverter
and power grid is disconnected or has any fault;
4.Contact after-sales service personnel
Definition:
PV voltage exceeds the specified value
Possible causes:
PV over-voltage
Recommended solutions:
1.Observe for 30 minutes and see whether the
alarm will be eliminated automatically;
2.Check whether PV voltage exceeds the specified
range;
3.Turn off the PV input switch, wait for 5 minutes,
88