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Fuji Drive Testing & Burn-In Services

ISO 9001:2015 Certified Quality

Our certified process ensures consistent quality and reliable repairs every time.

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2-Year Repair Warranty

We stand behind our repairs with an extensive 2-year warranty on parts and labor for your peace of mind.

Fast Turnaround Time

Our efficient process and large parts inventory help minimize your operational downtime.

Expert Component-Level Repair

We find and replace individual failed components, offering a more affordable and effective repair than full replacement.

Free, No-Obligation Quote

Send us your item for a free evaluation and receive a detailed repair quote with no commitment required.

Fuji Drive Repair Services by Roc Industrial LLC

Is your Fuji drive malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Fuji drive repair services. We understand the critical role these drives play in your operations, and our experienced technicians are dedicated to getting you back up and running quickly. With decades of experience and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Fuji drive repair needs.



About Fuji Drives

Fuji Electric is a globally recognized leader in power electronics and industrial automation, and their drives are renowned for their performance, reliability, and advanced features. Fuji drives are integral components in a wide range of industrial applications, from controlling motors in manufacturing plants to managing complex processes in robotics and automation systems. These drives are designed to provide precise control, energy efficiency, and seamless integration into various industrial environments.


Fuji drives are commonly used in CNC machines, robotics, packaging equipment, and other automation systems. Their robust design and advanced control algorithms make them suitable for demanding applications where precision and reliability are paramount. Fuji Electric has built a strong reputation for innovation and quality, making their drives a preferred choice for many industrial users worldwide. When these critical components fail, you need a repair service you can trust, and that's where Roc Industrial LLC comes in.



Supported Models & Series

We repair a wide range of Fuji drive models and series, including but not limited to:

  • Fuji Frenic Ace Series

  • Fuji Frenic Multi Series

  • Fuji Frenic Mega Series

  • Fuji Frenic Mini Series

  • Fuji Frenic VG Series

  • Fuji Electric FVR Series

  • Fuji Electric E11S Series

  • Fuji Electric G11S Series

  • Fuji Electric P11S Series

  • Fuji Electric C11S Series

  • Fuji Electric FVR-E11S Series

  • Fuji Electric FVR-G11S Series

  • Fuji Electric FVR-P11S Series

  • Fuji Electric FVR-C11S Series

  • Fuji Frenic 5000 Series

  • Fuji Frenic Lift Series

  • Fuji Frenic HVAC Series

  • Fuji Frenic Eco Series

  • Fuji Frenic AQUA Series

If you don't see your specific model listed, please contact us. Our expertise extends to a vast array of Fuji drive models, and we are confident in our ability to provide comprehensive repair services.



Common Fuji Drive Problems We Repair

Fuji drives, like all electronic equipment, can experience failures over time. These failures can disrupt your operations and lead to costly downtime. We understand the urgency of these situations and are equipped to address a wide range of common Fuji drive problems.

  • No Output: The drive fails to provide any output voltage or current to the motor.

  • Overvoltage Faults: The drive detects an overvoltage condition, often due to regenerative energy from the motor.

  • Undervoltage Faults: The drive detects an undervoltage condition, which can be caused by a power supply issue.

  • Overcurrent Faults: The drive detects an excessive current draw, potentially indicating a motor or wiring problem.

  • Communication Errors: The drive loses communication with the control system or other devices.

  • Overheating: The drive overheats due to excessive load, inadequate cooling, or component failure.

  • Blown Fuses: Fuses within the drive blow, indicating a short circuit or overload condition.

  • Encoder Faults: The drive detects errors with the motor encoder, leading to inaccurate speed or position control.

  • IGBT Failures: Insulated Gate Bipolar Transistors (IGBTs) fail, causing the drive to malfunction.

  • Capacitor Failures: Capacitors within the drive degrade or fail, affecting the drive's performance and stability.

  • Power Supply Issues: The internal power supply of the drive fails, preventing the drive from operating correctly.

  • Drive Parameter Corruption: Drive parameters become corrupted, leading to unexpected behavior or performance issues.

  • Ground Faults: The drive detects a ground fault, indicating a potential safety hazard.

  • Motor Stalling: The motor stalls due to excessive load or drive malfunction.

  • Inconsistent Performance: The drive exhibits erratic or inconsistent performance, affecting the accuracy and reliability of the controlled process.


Our Fuji Drive Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure the highest quality Fuji drive repairs. Our process is designed to identify the root cause of the problem, implement effective repairs, and thoroughly test the drive to ensure it meets or exceeds original performance specifications.

  1. Free Evaluation and Quote: We offer a free evaluation of your faulty Fuji drive. Simply send us the drive, and our experienced technicians will assess the problem and provide you with a detailed quote for the repair. There's no obligation to proceed with the repair if you're not satisfied with the quote.

  2. Shipping Instructions: Once you approve the quote, we provide detailed shipping instructions to ensure your drive arrives safely at our repair facility. We recommend using a reputable shipping carrier and properly packaging the drive to prevent damage during transit.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, our technicians perform a thorough diagnosis of the drive using specialized test equipment. This includes checking all critical components, testing the drive's functionality, and identifying the root cause of the failure.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our technicians are skilled in soldering, desoldering, and other repair techniques to ensure a reliable and long-lasting repair. We stock thousands of parts to expedite the repair process.

  5. Load Testing and Quality Checks: After the repair is complete, we perform rigorous load testing and quality checks to ensure the drive meets or exceeds original performance specifications. This includes testing the drive under various load conditions, monitoring its performance, and verifying its functionality.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. If you experience any problems with the repaired drive within the warranty period, simply contact us, and we will provide prompt and effective support.


Nationwide Repair Services

Roc Industrial LLC provides Fuji drive repair services to customers nationwide. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help you get your Fuji drive repaired quickly and efficiently. We offer fast shipping options and quick turnaround times to minimize downtime and keep your operations running smoothly.


We understand that downtime can be costly, so we strive to provide the fastest possible repair services without compromising quality. Our nationwide service network allows us to reach customers across the country, providing reliable and efficient Fuji drive repair solutions.



Why Choose Roc Industrial LLC?

When it comes to Fuji drive repair, Roc Industrial LLC is the clear choice. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition.

  • 30+ Years of Experience: With over 30 years of experience in industrial electronics repair, we have the knowledge and expertise to handle even the most complex Fuji drive repairs.

  • Warranty-Backed Repairs: We stand behind our repairs with a comprehensive warranty, giving you peace of mind and assurance of quality.

  • Thousands of Parts in Stock: We stock thousands of parts to expedite the repair process and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and offer fast turnaround times, often providing same-day service.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest standards of quality and consistency.

  • Exceptional Customer Support: We are committed to providing exceptional customer support, answering your questions, and addressing your concerns promptly and effectively.

Don't let a faulty Fuji drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Fuji drive repair.

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