Rongkai Solar
Customer Service

Solar Technical Support, Manuals & Fault Help

We help buyers and EPC partners locate product documentation, route model-specific technical questions, and prepare complete information for manufacturer review. This includes datasheets, manuals, firmware-update guidance, fault-code collection, and document requests for planned projects. Our support is product and sourcing focused; detailed electrical design, site assessment, installation work, grid approval, and safety decisions remain the responsibility of the buyer, EPC partner, or qualified local professional. Supplying the exact model and installation context helps us route the question accurately and avoid unsuitable generic advice.

For technical support, include

Model-specific context is essential for useful documentation and accurate technical routing.

  • Exact model and version

    Share the model, serial number where available, and firmware version for inverter or battery questions.

  • Symptoms and evidence

    Include error codes, event logs, photos, videos, and the steps already taken to investigate the issue.

  • System context

    For system questions, include relevant module, inverter, battery, grid, and installation configuration details.

Where can I find installation manuals and datasheets?
Product datasheets and selected manuals are available on our Downloads page. Project-specific document packages can be requested through inquiry with your bill of materials.
Do you provide system design or sizing support?
We provide product-level guidance and documentation routing. Detailed engineering design remains the responsibility of the buyer or EPC partner; share your project parameters for relevant product recommendations.
How are firmware or inverter updates handled?
Update availability depends on the manufacturer and model. Contact support with device model, current firmware version, and issue description for guidance on approved update paths.
Can you help with remote fault diagnosis?
Share error codes, event logs, installation photos, and grid/battery configuration details. We route technical cases to the appropriate manufacturer channel and coordinate next steps.