SMA · SUNNY CENTRAL 500CP XT / 630CP XT Solar Inverter
A leakage current to ground has been detected in the PV array, or the threshold defined in parameter RisoCtlWarn has been reached. This indicates a potential insulation degradation or grounding issue.
Click steps to track your progress.
Check the grounding and equipotential bonding connections in the PV system.
Inspect the module wiring and review the system design for potential leakage paths.
Verify the value set for parameter RisoCtlWarn.