1. Power down per inverter manual; work cool mornings.
2. Inspect from ground; mark droppings/pollen/leaf build‑up.
3. Soft tools only; avoid pressure washers and harsh chemicals.
4. Rinse thoroughly; distilled/deionized water minimizes spotting.
5. Restore power and compare output vs yesterday at similar sun angle.
6. Set cadence by climate; add post‑storm checks.
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