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Fanuc CNC Amplifier Repair

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 CNC Amplifier Repair Services by Roc Industrial LLC

Is your Fanuc CNC amplifier malfunctioning and causing downtime? Roc Industrial LLC specializes in fast and reliable Fanuc CNC amplifier repair services. We understand the critical role these amplifiers play in your CNC machinery, and our experienced technicians are dedicated to getting your equipment back up and running quickly. As a trusted repair provider, Roc Industrial LLC offers comprehensive repair solutions, ensuring your Fanuc amplifiers are restored to optimal performance. We provide expert troubleshooting, component-level repairs, and rigorous testing to guarantee the quality and reliability of our services.



About Fanuc CNC Amplifiers

Fanuc is a global leader in CNC (Computer Numerical Control) systems, robotics, and automation solutions. Their CNC amplifiers are integral components of CNC machines, responsible for precisely controlling the motors that drive various axes of motion. These amplifiers are known for their robustness and precision, making them essential for industries such as manufacturing, aerospace, automotive, and more. Fanuc CNC amplifiers are designed to deliver high performance and reliability, ensuring smooth and accurate operation of CNC machinery.


Fanuc CNC amplifiers are widely used in a variety of applications, including CNC milling machines, lathes, routers, and robotic systems. Their advanced technology enables precise control of motor speed and torque, allowing for complex machining operations and high-precision movements. The reliability and performance of Fanuc amplifiers have made them a staple in the automation industry, contributing to increased productivity and efficiency in manufacturing processes. When these critical components fail, it's essential to have a reliable repair service to minimize downtime and maintain operational efficiency. Roc Industrial LLC provides expert Fanuc CNC amplifier repair services to keep your operations running smoothly.



Supported Models & Series

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

  • Fanuc Alpha Series Servo Amplifiers (e.g., A06B-6079, A06B-6096)

  • Fanuc Alpha i Series Servo Amplifiers (e.g., A06B-6114, A06B-6127)

  • Fanuc Beta Series Servo Amplifiers (e.g., A06B-6102, A06B-6104)

  • Fanuc Beta i Series Servo Amplifiers (e.g., A06B-6141, A06B-6142)

  • Fanuc Servo Amplifier Modules SVM1, SVM2, SVM3

  • Fanuc Spindle Amplifiers (e.g., A06B-6088, A06B-6117)

  • Fanuc Power Supply Modules (e.g., A06B-6110, A06B-6130)

  • Fanuc Digital Servo Units (DSU)

  • Fanuc AC Servo Amplifier Units

  • Fanuc Pulse Coder Amplifiers

This is not an exhaustive list. Contact us with your specific model number for a free evaluation and repair quote. Roc Industrial LLC has the expertise to handle a wide variety of Fanuc CNC amplifier models, ensuring your equipment receives the best possible care.



Common Fanuc CNC Amplifier Problems We Repair

Fanuc CNC amplifiers can experience various issues that can disrupt your operations. We specialize in diagnosing and repairing these common problems, ensuring your equipment returns to optimal performance. Here are some of the common failures we address:

  • No Output: Amplifier fails to provide power to the motor, resulting in no movement.

  • Overvoltage Errors: Amplifier detects excessive voltage, triggering a fault and shutting down.

  • Overcurrent Errors: Amplifier detects excessive current, indicating a potential short circuit or overload.

  • Communication Errors: Loss of communication between the amplifier and the CNC controller.

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

  • Blown Fuses: Fuses blow due to power surges, short circuits, or component failure.

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

  • Drive Faults: General drive errors indicating internal component failures.

  • Power Supply Issues: Problems with the amplifier's internal power supply, causing instability or failure.

  • Axis Errors: Errors related to specific axes of motion, indicating problems with the amplifier's control of that axis.


Our Fanuc CNC Amplifier Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality of service for your Fanuc CNC amplifiers. Our step-by-step approach guarantees that every repair is performed with precision and care:

  1. Free Evaluation and Quote: We begin with a free evaluation of your Fanuc CNC amplifier to determine the extent of the damage and provide you with a detailed repair quote. This includes a thorough inspection and preliminary diagnosis.

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

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic tools and specialized test equipment to pinpoint the root cause of the problem. This includes dynamic testing and component-level analysis.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our extensive inventory of parts allows us to quickly address a wide range of issues.

  5. Load Testing and Quality Checks: After the repair, we conduct rigorous load testing and quality checks to ensure the amplifier performs optimally under various operating conditions. This includes testing the amplifier's response time, accuracy, and stability.

  6. Warranty-Backed Return and Support: All our repairs are backed by a comprehensive warranty, giving you peace of mind. We also provide ongoing support to address any questions or concerns you may have after the repair. Roc Industrial LLC stands behind the quality of our work and is committed to your satisfaction.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc CNC amplifier repair services to customers nationwide. We understand the importance of minimizing downtime, and we offer fast and reliable shipping options to ensure your equipment is repaired and returned to you as quickly as possible. Whether you're located in a major metro area or a remote location, we're here to help.


We proudly serve customers in major cities such as New York, Los Angeles, Chicago, Houston, and Dallas, as well as countless other locations across the country. Our streamlined repair process and efficient logistics ensure that your Fanuc CNC amplifier is handled with care and returned to you in optimal condition. With Roc Industrial LLC, you can count on prompt and professional service, no matter where you are located.



Why Choose Roc Industrial LLC?

When it comes to Fanuc CNC amplifier repair, Roc Industrial LLC offers a distinct advantage. Here's why you should choose us:

  • 30+ Years of Experience: With over three decades of experience in industrial electronic repair, we have the knowledge and expertise to handle even the most complex Fanuc CNC amplifier issues.

  • Warranty-Backed Repairs: All our repairs are backed by a comprehensive warranty, giving you peace of mind and ensuring the quality of our work.

  • Thousands of Parts in Stock: Our extensive inventory of parts allows us to quickly address a wide range of issues, minimizing downtime and getting your equipment back up and running faster.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, and we offer fast turnaround times, often providing same-day service for urgent repairs.

  • 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, addressing your questions and concerns promptly and professionally.

Don't let a faulty Fanuc CNC amplifier slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for Fanuc CNC amplifier repair services, providing expert solutions to keep your CNC machinery running smoothly and efficiently. Roc Industrial LLC is dedicated to delivering the highest quality repairs and exceptional customer service.

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