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. 1

    Check the PV array for ground faults.

  2. 2

    Review the configuration of the Soft Grounding parameter to understand why the fault was ignored.

Browse all codes in this manual (29)
Verified technical data. Last updated: March 2026

Related Faults

Source: SMA SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter