SMA Manual Recommendation
| Error No. | Explanation | Corrective measures |
| 3502 | The GFDI has tripped | • Check the PV array for ground faults. |
Fault Description- GFDI has tripped due to a ground fault.
Troubleshooting Actions - The GFDI has tripped due to a ground fault. Check for insulation faults that may cause a ground fault on the array and look for any impedance along paths.