3515
Ground fault detected by Soft Grounding has been ignored
SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
What does 3515 mean?
A ground fault was detected by the Soft Grounding feature but has been ignored, possibly due to system configuration. While ignored, it still indicates a potential issue.
Common Causes
- Ground fault in the PV array.
- Soft Grounding configured to ignore certain ground faults.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Check the PV array for ground faults.
- 2
Review the configuration of the Soft Grounding parameter to understand why the fault was ignored.
Verified technical data. Last updated: March 2026
Related Faults
Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter