94
Fault Code
Fault Name
Corrective Measures
1600 - 1615,
1632 - 1655
PV Grounding
Fault
1. When the fault occurs, it is forbidden to directly
disconnect the DC switch and unplug PV termi-
nals when the direct current is greater than 0.5 A;
2. Wait until the direct current of the inverter falls
below 0.5 A, then disconnect the DC switch and
unplug the faulty strings;
3. Do not reinsert the faulty strings before the
grounding fault is cleared;
4. If the fault is not caused by the foregoing rea-
sons and still exists, contact Sungrow Customer
Service.
1616
System Hardware
Fault
1. It is prohibited to disconnect the DC switch
when the DC current is greater than 0.5 A when
the fault occurs.
2. Disconnect the DC switch only when the inver-
ter DC side current drops below 0.5 A.
3. It is prohibited to power up the inverter again.
Please contact Sungrow Customer Service.
Contact the dealer if the measures listed in the “Troubleshooting Method” column
have been taken but the problem persists. Contact SUNGROW if the dealer fails
to solve the problem.
9.2
Maintenance
9.2.1 Maintenance Notices
The DC switch can be secured with a lock in the OFF position or a certain angle beyond the
OFF position.(For countries “AU” and “NZ”)
9 Troubleshooting and Maintenance
User Manual
