Observe safely before requesting service
Record the exact model, serial number, timestamp, fault code and symptoms using safe access to the normal display or app. Note weather, grid interruptions and recent work. Do not open enclosures, climb onto a roof, repeatedly reset a fault or operate unfamiliar isolators. Keep away from smoke, heat, damaged cables or battery swelling; contact emergency services on 112 for immediate danger.
Separate inverter, BMS and monitoring
Record the inverter and battery variants, BMS, firmware, communication interface and monitoring device. Check the approved combination before assigning a battery communication error to hardware. Preserve timestamps and device status; confirm whether a problem concerns the app, data logger, network or actual energy conversion.
Diagnose the installation, not a brand stereotype
A qualified professional should distinguish supply faults, PV-string conditions, communications, siting, settings, firmware and hardware using the exact manufacturer's diagnostic procedure. A fault code or an online complaint does not establish a product-wide defect or failure rate. Record tests and the basis for a proposed repair before ordering replacement parts.
Size storage for a defined purpose
Separate usable energy in kWh from continuous and starting power in kW. Check reserve, efficiency, permitted discharge, temperature limits and exact inverter/firmware compatibility. A battery shifts energy with losses; it does not create free electricity. Compare a no-storage scenario before assigning any financial benefit to additional capacity.
Backup is a separate design
Ordinary grid-tied generation stops when the grid fails. Backup requires a supported operating mode, isolation from the grid, an approved earthing and protection arrangement, and defined circuits and loads. Check transfer behaviour and starting power against equipment requirements. A hybrid label or battery connection alone does not guarantee uninterrupted whole-home operation.
Protect configuration and remote access
Identify the account owner, installer permissions, network requirements and update process for the installed version. Back up approved settings before authorised changes. Do not bypass protective limits or load firmware from an unofficial source. Loss of an app connection is not necessarily loss of generation; confirm device status and measurements separately.
Separate product and workmanship terms
Obtain the exact regional product warranty and the contractor's written workmanship terms. Identify labour, travel, access, transport, registration, exclusions and claim responsibilities. Performance warranties are not promises about the household bill, and an insurance policy does not guarantee project completion. Agree milestones and changes in writing.
Keep a commissioning record
Agree the inspections, measurements, settings and documents applicable to the installation. Retain equipment identification, as-built diagrams, protection details, test results, operating instructions and handover records. Monitoring access is useful, but an app displaying generation is not proof of electrical safety, completed registration or an active export-compensation contract.
Documents and reference links
Check the current version and applicability. These links do not establish failure rates, LIT credentials or an outcome for your property.
Company contact
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Provide the location, objectives, existing models, plans or safely taken photos, and measured demand. Confirm scope, availability, assessment fees and responsibilities before booking.