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Fanuc inverter refurbishment and refurbishment

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.

Fanuc Inverter Repair Services by Roc Industrial LLC

Is your Fanuc inverter malfunctioning and causing downtime? Roc Industrial LLC specializes in fast, reliable Fanuc inverter repair services to get your equipment back up and running quickly. We understand the critical role Fanuc inverters play in your CNC machines, robotics, and automation systems. Our experienced technicians provide expert troubleshooting, component-level repairs, and comprehensive testing to ensure optimal performance. Trust Roc Industrial LLC for all your Fanuc inverter service needs.



About Fanuc Inverters

Fanuc is a globally recognized leader in industrial automation, renowned for its high-quality and reliable products. Fanuc inverters are integral components in a wide range of applications, including CNC machines, robotics, and other automated systems. These inverters are designed to control the speed and torque of motors, ensuring precise and efficient operation. Fanuc has built a strong reputation for innovation and durability, making their inverters a preferred choice for manufacturers worldwide. However, even the most robust equipment can experience failures over time, requiring specialized repair services.


Fanuc inverters are used extensively in industries such as automotive, aerospace, electronics, and general manufacturing. Their advanced features and precise control capabilities are essential for maintaining productivity and quality in these demanding environments. From simple motor speed control to complex multi-axis motion control, Fanuc inverters offer a versatile solution for a variety of applications. When these critical components fail, it's essential to have a trusted repair partner who understands the intricacies of Fanuc technology. Roc Industrial LLC provides comprehensive Fanuc inverter refurbishment and repair services to minimize downtime and maximize the lifespan of your equipment.



Supported Models & Series

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

  • A06B-6058 Series

  • A06B-6077 Series

  • A06B-6088 Series

  • A06B-6093 Series

  • A06B-6114 Series

  • A06B-6134 Series

  • A06B-6141 Series

  • A06B-6164 Series

  • A06B-6220 Series

  • Beta i Series Inverters

  • Alpha i Series Inverters

  • Alpha i Servo Amplifier Modules

  • Various Spindle Amplifier Modules

  • Power Supply Modules for Fanuc Inverters

  • Older Series Fanuc Inverter Drives


Common Fanuc Inverter Problems We Repair

Fanuc inverters, like all electronic equipment, can experience a variety of issues that can disrupt your operations. Our experienced technicians are skilled in diagnosing and repairing a wide range of common Fanuc inverter failures. Here are some of the most frequent problems we encounter:

  • No Output: The inverter fails to provide power to the motor, preventing it from running.

  • Overvoltage Fault: The inverter detects excessive voltage, triggering a fault and shutting down.

  • Overcurrent Fault: The inverter detects excessive current, indicating a potential short circuit or overload.

  • Communication Errors: The inverter loses communication with the CNC controller or other devices.

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

  • Blown Fuses: Fuses blow due to power surges, short circuits, or component failures within the inverter.

  • Encoder Faults: Issues with the encoder feedback signal, leading to inaccurate motor control.

  • Drive Faults: Internal drive components fail, causing the inverter to malfunction.

  • Power Supply Issues: The inverter's power supply fails to provide the necessary voltage, resulting in operational problems.

  • IGBT Failures: Insulated Gate Bipolar Transistors (IGBTs) fail, leading to inverter malfunction.

  • Dead on Arrival (DOA): Inverter fails immediately upon installation or power-up.

  • Inconsistent Performance: Erratic or unpredictable behavior of the inverter.


Our Fanuc Inverter Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure the highest quality Fanuc inverter repairs. Our process is designed to identify the root cause of the problem, implement effective repairs, and thoroughly test the inverter to guarantee reliable performance.

  1. Free Evaluation and Quote: We offer a free evaluation of your Fanuc inverter to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees or surprises.

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

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic equipment to pinpoint the exact cause of the inverter failure. We conduct thorough testing to identify all faulty components and potential 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 compared to replacing the entire inverter. We stock thousands of parts to expedite the repair process.

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

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty on all Fanuc inverter repairs. If you experience any issues after the repair, we are here to provide prompt and reliable support.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc inverter repair services to customers nationwide. No matter where you are located, we can help you get your Fanuc inverters back in operation quickly. We understand the importance of minimizing downtime, and we offer fast shipping options and quick turnaround times to meet your needs.


We serve customers in major metro areas across the United States, including New York, Los Angeles, Chicago, Houston, and Dallas. Our efficient logistics network ensures that your Fanuc inverter can be shipped to our repair facility and returned to you promptly. We are committed to providing exceptional service to all our customers, regardless of their location.



Why Choose Roc Industrial LLC?

When it comes to Fanuc inverter repair, Roc Industrial LLC is the trusted choice for businesses across the country. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition.

  • 30+ Years of Experience: With over three decades of experience in industrial electronics repair, we have the knowledge and skills to handle even the most complex Fanuc inverter repairs.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty on all Fanuc inverter repairs, giving you peace of mind.

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

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your equipment back in operation, and we 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 reliability.

  • Exceptional Customer Support: Our dedicated customer support team is available to answer your questions and provide assistance throughout the repair process.

Don’t let a faulty Fanuc inverter slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Fanuc inverter repair. We are committed to providing the highest quality service and support to help you keep your business running smoothly. We also offer Fanuc inverter refurbishment services to extend the life of your equipment and improve its performance. Trust Roc Industrial LLC for all your Fanuc inverter service needs.

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