3512
Remote GFDI detected permanent ground fault
SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
What does 3512 mean?
The Remote GFDI (Ground Fault Detection and Interruption) device has detected a permanent ground fault. This indicates a persistent ground fault condition within the PV array that requires immediate attention. The inverter will stop feeding power until the disturbance is acknowledged and rectified.
Common Causes
- Permanent ground fault in the PV array.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the PV array for permanent ground faults using an insulation resistance tester.
Verified technical data. Last updated: March 2026
Related Faults
Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter