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SolarEdge · PV inverters · SolarEdge SE3K–SE10K (three-phase inverter with power optimizers, SetApp)

Error 2x19PV solar array is not properly isolated from ground earth

Name in the manufacturer's documentation (fault list): PV solar array is not properly isolated from ground earth[1]

In plain words (editorial)

The PV array is not properly isolated from ground (earth) – an insulation fault or ground leakage in the PV installation.

When to call a service technician: According to the manual, only a certified PV installer may fix the faulty string before it is reconnected to the inverter.

✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.

The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →

Sources

Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.

  1. [1] SolarEdge Inverters Error Codes and Troubleshooting – User Guide (Version 1.2, 2026-09) (se-inverter-installation-guide-error-codes (v1.2)) , p. 13 official manufacturer document quote verified 2x19 PV solar array is not properly isolated
  2. [2] SolarEdge Inverters Error Codes and Troubleshooting – User Guide (Version 1.2, 2026-09) (se-inverter-installation-guide-error-codes (v1.2)) , p. 13 official manufacturer document quote verified Check the PV installation for isolation problems and ground leakage.
  3. [3] SolarEdge Inverters Error Codes and Troubleshooting – User Guide (Version 1.2, 2026-09) (se-inverter-installation-guide-error-codes (v1.2)) , p. 13 official manufacturer document quote verified Only a certified PV installer must fix the faulty string before connecting it to the inverter.