Goodwe SMT Series User Manual page 47

User Manual V1.1-2022-09-29
Type of fault Alarm
Isolation Failure
Ground I Failure
System
Failure
Utility Loss
System
Failure
System
Failure
Troubleshooting
PV string wiring to the earth.
1. Disconnect DC switch, check the insulation of PV string wiring
to earth.
2. Reconnect the DC switch again.
2. If it does not, please check grid wiring.
nornal.
2. If it does not, please check if the distribution switch is connected
and the grid is normal.
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09 Maintenance