How do I fix PV Solar Array Isolation Fault on a SolarEdge?

Check PV installation for isolation problems and ground leakage Then: Inspect all DC cable connections for moisture or damage

SolarEdge

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PV Solar Array Isolation Fault

Ground leakage or isolation problem detected in DC side

Common causes

Damaged PV cable insulationGround leakage in arrayWater ingress in connectors

What to check

STEP 1

Check PV installation for isolation problems and ground leakage

STEP 2

Inspect all DC cable connections for moisture or damage

Escalate if

Isolation problem cannot be located or affects multiple strings

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