top of page
Main Image.png

Fuji Electric servo amplifier troubleshooting and calibration

ISO 9001:2015 Certified Quality

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

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 Electric Servo Amplifier Repair Services

Is your Fuji Electric servo amplifier malfunctioning? Roc Industrial LLC specializes in fast, reliable Fuji Electric servo amplifier repair services to minimize downtime and keep your operations running smoothly. Servo amplifiers are critical components in automation systems, providing precise control for motors in various industrial applications. Trust Roc Industrial LLC for expert diagnosis, repair, and testing of your Fuji Electric servo amplifiers.



About Fuji Electric Servo Amplifiers

Fuji Electric is a globally recognized leader in industrial automation, known for its high-quality and innovative servo systems. Their servo amplifiers are integral to CNC machines, robotics, and other precision motion control applications. Fuji Electric servo amplifiers are designed for reliability and performance, but like all electronic equipment, they can experience failures over time due to wear and tear, environmental factors, or electrical issues. Roc Industrial LLC has extensive experience servicing and repairing a wide range of Fuji Electric servo amplifier models.


Fuji Electric servo amplifiers are widely used across various industries, including manufacturing, packaging, and robotics. Their robust design and advanced control features make them a preferred choice for demanding applications requiring precise and reliable motion control. Understanding the critical role these amplifiers play in your operations, Roc Industrial LLC is committed to providing swift and effective repair services to minimize disruptions and maximize productivity. We offer comprehensive testing and repair solutions to ensure your Fuji Electric servo amplifiers are restored to optimal performance.



Supported Models & Series

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

  • FALDIC-α Series

  • FALDIC-β Series

  • FALDIC-W Series

  • FALDIC-X Series

  • FALDIC-EG1 Series

  • FALDIC-RG Series

  • FALDIC-WII Series

  • FALDIC-NJ Series

  • RYC Series

  • Various generations of FALDIC servo drives

If you don't see your specific model listed, please contact us. We have the expertise to repair a vast array of Fuji Electric servo amplifiers, including older and less common models. Our technicians are continuously trained on the latest Fuji Electric technologies to ensure we can provide the best possible service.



Common Fuji Electric Servo Amplifier Problems We Repair

Fuji Electric servo amplifiers can encounter various issues that can disrupt your operations. Roc Industrial LLC specializes in diagnosing and repairing these common failures to get your equipment back up and running quickly.

  • No Output: The amplifier fails to provide power to the motor, resulting in a complete standstill.

  • Overvoltage/Undervoltage Errors: Fluctuations in the power supply can damage sensitive components and trigger error codes.

  • Communication Errors: Issues with the communication interface between the amplifier and the controller can lead to loss of control.

  • Overheating: Insufficient cooling or excessive load can cause the amplifier to overheat and shut down.

  • Blown Fuses: A sudden surge in current can blow fuses, indicating a more serious underlying problem.

  • Encoder Faults: Problems with the encoder feedback signal can result in inaccurate positioning and erratic motor behavior.

  • Drive Inhibit Issues: The drive may be inhibited due to safety circuits or internal faults, preventing operation.

  • Current Imbalance: Uneven current distribution among the motor phases can indicate a winding fault or other electrical issue.

  • Positioning Errors: Inaccurate positioning or following errors can result from problems with the control loops or feedback mechanisms.

  • Internal Component Failure: Failure of internal components such as capacitors, resistors, or transistors can lead to various malfunctions.

  • Power Supply Problems: Issues within the amplifier's power supply section can cause instability or complete failure.

  • Software or Firmware Corruption: Corrupted software or firmware can lead to unpredictable behavior and error messages.

Our experienced technicians are adept at identifying the root cause of these and other problems, providing efficient and effective repair solutions. We use advanced diagnostic tools and techniques to ensure accurate and reliable repairs.



Our Fuji Electric Servo Amplifier Repair Process

Roc Industrial LLC follows a meticulous repair process to ensure the highest quality and reliability of our Fuji Electric servo amplifier repairs:

  1. Free Evaluation and Quote: We begin with a free evaluation of your faulty Fuji Electric servo amplifier to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees, and you are under no obligation to proceed with the repair.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your amplifier arrives safely at our repair facility. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use state-of-the-art diagnostic equipment to pinpoint the exact cause of the failure. We thoroughly test all components and circuits to identify any underlying issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing only the faulty components with high-quality replacements. This approach saves you money and ensures the longevity of the repair. We stock thousands of parts to expedite the repair process.

  5. Load Testing and Quality Checks: After the repair, we subject the amplifier to rigorous load testing to ensure it performs flawlessly under real-world conditions. We conduct thorough quality checks to verify that all specifications are met.

  6. Warranty-Backed Return and Support: All our Fuji Electric servo amplifier repairs are backed by a comprehensive warranty. We provide ongoing support to ensure your complete satisfaction. If you experience any issues after the repair, simply contact us, and we will resolve them promptly.

Our commitment to quality and customer satisfaction is unwavering. We strive to provide the best possible repair experience, from initial evaluation to post-repair support.



Nationwide Repair Services

Roc Industrial LLC provides Fuji Electric servo amplifier repair services to customers nationwide. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can help you get your equipment back up and running quickly. We understand the importance of minimizing downtime, and we offer fast shipping options and quick turnaround times to meet your needs.


We have established partnerships with reliable shipping carriers to ensure your amplifiers are transported safely and efficiently. Our streamlined repair process and extensive inventory of parts allow us to complete most repairs within a matter of days. We are committed to providing prompt and professional service to all our customers, regardless of their location.



Why Choose Roc Industrial LLC?

When you choose Roc Industrial LLC for your Fuji Electric servo amplifier repair needs, you benefit from our:

  • 30+ Years of Experience: We have decades of experience in industrial electronic repair, giving us the expertise to handle even the most complex issues.

  • Warranty-Backed Repairs: All our repairs are backed by a comprehensive warranty, providing you with peace of mind.

  • Thousands of Parts in Stock: We maintain a large inventory of parts to expedite the repair process and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and strive to provide the fastest possible turnaround times, often offering same-day service.

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support, from initial inquiry to post-repair assistance.

Don't let a faulty Fuji Electric servo amplifier slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for all your Fuji Electric servo amplifier troubleshooting and repair needs. Our experienced technicians are ready to assist you with any issues you may be experiencing. Trust Roc Industrial LLC to get your equipment back to optimal performance quickly and efficiently.

bottom of page