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Fanuc Spindle Amplifier Repair Specialists

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.

Expert Fanuc Spindle Amplifier Repair Services

Is your Fanuc Spindle Amplifier malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Fanuc Spindle Amplifier repair services. We understand the critical role these amplifiers play in your CNC machinery and automation systems. Our experienced technicians are equipped to diagnose and repair a wide range of Fanuc spindle amplifier issues, ensuring your equipment is back up and running as quickly as possible. Trust Roc Industrial LLC for all your Fanuc spindle amplifier repair needs, where quality and speed are our top priorities. We offer comprehensive repair solutions, from component-level troubleshooting to complete unit refurbishment. With Roc Industrial LLC, you gain a partner dedicated to minimizing your downtime and maximizing the lifespan of your valuable equipment. We pride ourselves on our commitment to excellence and our ability to deliver superior repair services that meet and exceed your expectations. Our goal is to provide you with a seamless and stress-free repair experience, from the initial evaluation to the final testing and return of your repaired spindle amplifier. Choose Roc Industrial LLC for dependable Fanuc spindle amplifier repairs that you can count on.



About Fanuc Spindle Amplifiers

Fanuc is a globally recognized leader in CNC (Computer Numerical Control) systems, robotics, and automation solutions. Their spindle amplifiers are integral components in CNC machines, responsible for controlling the speed and torque of the spindle motor, which is crucial for precise machining operations. Fanuc spindle amplifiers are known for their reliability and performance, but like all electronic equipment, they can experience failures over time due to wear and tear, environmental factors, or electrical issues. These amplifiers are designed to provide precise control and feedback, ensuring that the spindle motor operates within specified parameters. The complexity of these systems requires specialized knowledge and equipment for effective repair and maintenance.


Fanuc spindle amplifiers are widely used in various industries, including manufacturing, aerospace, automotive, and medical device production. They are essential for applications such as milling, turning, grinding, and drilling, where precise and consistent spindle performance is critical. The robustness and accuracy of Fanuc spindle amplifiers have made them a preferred choice for many machine tool builders and end-users. However, when these amplifiers fail, it can lead to significant downtime and production losses. Roc Industrial LLC understands the importance of minimizing this downtime and offers comprehensive repair services to get your Fanuc spindle amplifiers back in optimal working condition. We are committed to providing top-notch repair solutions that ensure the continued performance and reliability of your CNC machinery.



Supported Models & Series

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

  • A06B-6059 Series

  • A06B-6079 Series

  • A06B-6089 Series

  • A06B-6110 Series

  • A06B-6114 Series

  • A06B-6120 Series

  • A06B-6127 Series

  • A06B-6130 Series

  • A06B-6140 Series

  • A06B-6141 Series

  • A06B-6142 Series

  • A06B-6147 Series

  • A06B-6150 Series

  • A06B-6151 Series

  • A06B-6152 Series

  • A06B-6157 Series

  • A06B-6160 Series

  • A06B-6164 Series

  • SVM1 Series

  • SVM2 Series

  • SVM3 Series

  • SPM Series

  • Alpha Series Spindle Amplifiers

  • Beta Series Spindle Amplifiers

  • i Series Spindle Amplifiers


Common Fanuc Spindle Amplifier Problems We Repair

Customers often experience a variety of issues with their Fanuc Spindle Amplifiers. These problems can range from simple faults to more complex failures that require in-depth troubleshooting and repair. Roc Industrial LLC is equipped to handle all types of Fanuc spindle amplifier issues, ensuring that your equipment is restored to optimal performance.

  • No Output: The spindle motor does not receive any power, resulting in complete standstill.

  • Overvoltage Errors: The amplifier detects excessive voltage levels, triggering a fault and shutting down the system.

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

  • Communication Errors: The amplifier fails to communicate with the CNC controller, leading to operational disruptions.

  • Overheating: The amplifier overheats due to component failure or inadequate cooling, causing it to shut down.

  • Blown Fuses: Frequent fuse failures indicate underlying issues such as short circuits or component malfunctions.

  • Encoder Faults: Problems with the encoder feedback signal, leading to inaccurate speed and position control.

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

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

  • Excessive Vibration: Unusual vibrations in the spindle motor, indicating potential amplifier or motor issues.

  • Inconsistent Speed: The spindle speed fluctuates erratically, affecting machining accuracy.

  • Alarm Codes: Display of various alarm codes indicating specific faults within the amplifier.

  • Spindle Orientation Problems: Issues with spindle orientation during tool changes or other operations.

  • Low Torque: The spindle motor lacks sufficient torque, affecting machining performance.


Our Fanuc Spindle Amplifier Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality Fanuc Spindle Amplifier repairs. Our step-by-step approach guarantees that every amplifier is thoroughly evaluated, repaired, and tested before being returned to the customer.

  1. Free Evaluation and Quote: We begin with a free evaluation of your faulty Fanuc Spindle Amplifier. Our technicians assess the condition of the amplifier and provide a detailed quote for the repair.

  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.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, our experienced technicians use specialized test equipment to diagnose the root cause of the problem. We conduct thorough testing to identify all faulty components and potential issues.

  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 replacing a wide range of electronic components.

  5. Load Testing and Quality Checks: After the repair, we conduct rigorous load testing to ensure the amplifier performs optimally under various operating conditions. We perform comprehensive quality checks to verify the repair's effectiveness and reliability.

  6. Warranty-Backed Return and Support: All our repairs are backed by a comprehensive warranty. We provide ongoing support to ensure your complete satisfaction. If you experience any issues after the repair, we are here to help.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc Spindle Amplifier repair services to customers nationwide. We understand that downtime can be costly, so we offer fast and reliable repair services to minimize disruptions to your operations. Whether you are located in New York, Los Angeles, Chicago, Houston, or Dallas, we can help.


We offer fast shipping options and quick turnaround times to get your repaired Fanuc Spindle Amplifier back to you as quickly as possible. Our nationwide service network ensures that you receive the same high-quality repair services, regardless of your location. Roc Industrial LLC is committed to providing exceptional service and support to all our customers, no matter where they are located. We strive to be your trusted partner for all your Fanuc spindle amplifier repair needs.



Why Choose Roc Industrial LLC?

When it comes to Fanuc Spindle Amplifier repair, Roc Industrial LLC stands out as a trusted and reliable provider. We offer a range of benefits that make us the preferred choice for customers across the nation.

  • 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 Spindle Amplifier issues.

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

  • Thousands of Parts in Stock: We maintain a large inventory of replacement parts, allowing us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, so we offer fast turnaround times, often completing repairs on the same day.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring that we adhere to the highest standards of quality and professionalism.

  • Exceptional Customer Support: We provide exceptional customer support, from the initial evaluation to the final testing and return of your repaired amplifier.

Don't let a faulty Fanuc Spindle Amplifier slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are committed to providing top-notch repair solutions that ensure the continued performance and reliability of your CNC machinery. Trust Roc Industrial LLC for all your Fanuc Spindle Amplifier repair needs.

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