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HOMEOWNER GUIDE · DALLAS–FORT WORTH

The grid is down.
Why is backup not working?

Start by identifying what the system was designed to back up and what actually lost power. A battery installation does not automatically mean every circuit is backed up. Available charge, connected loads, equipment status, and the installed backup arrangement need review.

By Sun Ray Solutions LLC · Updated September 17, 2026

Which circuits were meant to stay on?

Compare the affected rooms or appliances with your installation documents. Say whether all expected backup circuits failed or only particular loads went off. Do not assume an air conditioner or electric range was included.

If the backup scope was never clear, request the circuit list and design information from the installer. That gives the service professional a concrete expected result to compare with the event.

Capture the outage sequence

Record when grid power failed, the battery charge before the outage if known, what was running, and any app message. Distinguish a system that never supplied power from one that worked and then stopped.

Stored energy can run low, and heavy loads can cause an overload response on systems such as Powerwall. Record what happened; restart procedures and thresholds are model-specific.

Keep the response safe

Use normal appliance controls to reduce nonessential loads when it is safe to do so. Do not bypass the backup switch, move circuits, repeatedly reset breakers, or open electrical equipment.

For smoke, burning smells, or immediate danger, move away and contact emergency services. For an ordinary backup fault, follow the manufacturer’s instructions or request service for the exact equipment.

Plan the review after the event

Save the outage history before it becomes harder to locate in the app. Send your equipment model, expected backup circuits, charge history, and alert screenshots.

Sun Ray Solutions can discuss an assessment or a proposed battery installation in DFW. A review should distinguish a repair need from a request for longer runtime or a larger backup scope.

Technical references

Powerwall outage behavior and load management — Tesla

Questions about this problem

Does owning a battery guarantee whole-home backup?

No. The installed design determines which circuits and loads can be supported.

Should I buy another battery immediately?

First review the event and intended backup scope. More storage does not resolve every fault or configuration issue.

What does a service visit cost?

A clear starting point

A $200 nonrefundable service deposit covers the on-site visit and initial assessment for repair, diagnostic, and maintenance requests. If you approve repairs, the $200 is credited toward the total. If you decline repairs, the fee is retained for the visit and assessment. Additional work is quoted for approval.

If your concern may be covered by an existing Sun Ray Solutions workmanship warranty, contact us with your agreement for a warranty review.

Diagnostic pricing and repair approval

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Battery installation in DFW

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