Description-
PV1 and PV2 insulation resistance to the ground exceeds the set value.
Troubleshooting-
- Check whether the PV connection cables are intact.
- Check whether the ambient humidity of PV components is too high.
- Check whether the "PE" cable and the N cable are well-contacted.
- Wait until the inverter reverters to normal
- Contact Sungrow if fault reoccurs.