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Technical

Root Cause Analysis in Industrial Drives: Methodology

24 Jun 2026

Laboratório Ozora Soluções — Análise de Causa Raiz em Drive Industrial: Metodologia

Ozora Soluções Laboratory — Free diagnostics and a 180-day warranty on repairs.

Root Cause Analysis in Industrial Drives: Methodology

Ozora Soluções explains everything about industrial drive root cause analysis based on over 14 years of experience in repairing solar inverters and industrial drives in São Paulo.

What you need to know about industrial drive root cause analysis

Understanding industrial drive root cause analysis is essential to making the right decision: repair, replace, or prevent future issues. The solar inverter is the most critical component of the photovoltaic system — when it stops, all generation ceases.

Correct diagnosis — the most important step

The most common mistake is making decisions without proper technical diagnostics. Buying new equipment when the defect was simple and cheap to repair is a waste that we frequently see in the lab.

Ozora performs a free diagnosis with a technical report within 24 hours. The report identifies the root cause, lists the components to be replaced, and presents the quote before any decision is made.

The 30% Rule

If the repair cost is less than 30% of the value of an equivalent new equipment, repairing is always the economically correct decision. In practice, most repairs at Ozora cost between 10% and 25% of the price of a new one.

Preventive maintenance

The best way to avoid problems is annual preventive maintenance: internal cleaning, checking capacitors, renewing thermal paste, testing sensors and relays, and updating firmware when available.

Free Ozora diagnosis: Technical report within 24h, 180-day warranty, collection throughout Brazil. Request now | (11) 5043-2147

When to contact Ozora

  • Inverter stopped or showing an error code

  • Unexplained drop in production above 15%

  • Inverter shutting down frequently

  • Manufacturer's warranty expired

  • Authorized assistance lead time over 15 days

Frequently asked questions

How much does it cost to repair industrial drive root cause analysis?

At Ozora, most repairs range between 10% and 25% of the value of new equipment. Free diagnosis before any decision.

How long does the repair take?

Diagnosis within 24h after arrival. Repair takes 3 to 7 business days in most cases.

Does Ozora serve all of Brazil?

Yes. Collection and delivery throughout Brazil. WhatsApp (11) 5043-2147.

Is there a warranty on the repair?

Yes. Every Ozora repair comes with a 180-day warranty — the longest on the market.

Request a free diagnosis now

Ozora Soluções has specialized in industrial drive root cause analysis repairs since 2010. Free diagnosis with a technical report in up to 24 hours, 180-day warranty, and collection throughout Brazil.

  • ✅ Free diagnosis with a technical report in up to 24 hours

  • ✅ 180-day warranty on the repair

  • ✅ Collection and delivery throughout Brazil

  • ✅ 30% Rule: repair costs less than 30% of new equipment

👉 Request a no-obligation quote | 📞 (11) 5043-2147

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© 2026 Ozora Soluções (LNCBB Soluções Ltda) · CNPJ 58.155.119/0001-13 · Rua Angical do Piauí, 111 — São Paulo, SP · Todos os direitos reservados.