This SPS annual inspection checklist supports safe, reliable stand‑alone and hybrid power systems. It guides inspectors through environment checks, battery inverter cabling and firmware, battery BMS updates, DC wiring and isolators, and a fallback test using SP PRO to confirm grid inverter shutdown. It verifies compliance signage to AS 5139, AS 4509, and AS 4777. Solar array items include module condition, isolators and glands, conduit integrity, earthing, wiring management, open‑circuit voltage, isolation device operation, performance vs array and conditions, and mounting security. It also covers panel cleaning and generator operation, wiring, and maintenance intervals.
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