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Fanuc servo motor overnight repair & testing

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.

Expert Fanuc Servo Motor Repair Services

Is your Fanuc servo motor malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Fanuc servo motor repair services. We understand the critical role these motors play in your CNC machines, robotics, and automation systems. With decades of experience, Roc Industrial LLC is your trusted partner for getting your Fanuc servo motors back in optimal working condition quickly and efficiently. Our commitment to quality, speed, and customer satisfaction sets us apart. We offer comprehensive repair solutions, including component-level repairs, thorough testing, and a solid warranty on all our services.



About Fanuc Servo Motors

Fanuc is a globally recognized leader in factory automation, renowned for its high-performance and reliable servo motors. These motors are integral components in a wide range of industrial applications, including CNC machines, robotics, and automated manufacturing systems. Fanuc servo motors are known for their precision, durability, and ability to deliver consistent performance even in demanding environments. They are designed to provide precise control over motion, ensuring accuracy and efficiency in various industrial processes.


Fanuc servo motors are widely used across industries such as automotive, aerospace, electronics, and general manufacturing. Their robust design and advanced control capabilities make them a preferred choice for applications requiring high precision and reliability. From intricate robotic assembly lines to high-speed CNC machining operations, Fanuc servo motors play a crucial role in driving productivity and maintaining operational efficiency. Roc Industrial LLC understands the importance of these motors and provides specialized repair services to keep your operations running smoothly.



Supported Models & Series

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

  • Alpha Series (αiS, αi, α)

  • Beta Series (βiS, βi)

  • Servo Amplifier Modules (SVM)

  • AC Servo Motor Model Alpha i series

  • AC Servo Motor Model Beta i series

  • AC Spindle Motor Alpha i series

  • AC Spindle Motor Beta i series

  • Model 30/3000

  • Model 60/6000

  • Model 0S

  • Model 1S

  • Model 2S

  • Model 3S

  • Model 6S

  • Model 10S

  • Model 20S

  • Series 2000

  • Series 3000

  • Series 6000

  • AiF Series

  • BiF Series

  • Various encoder types (incremental, absolute)


Common Fanuc Servo Motor Problems We Repair

Customers often experience various issues with their Fanuc servo motors, leading to downtime and reduced productivity. Roc Industrial LLC is equipped to diagnose and repair a wide range of common failures.

  • No Output/Dead Motor: Motor fails to power on or provide any output.

  • Overheating: Motor excessively heats up during operation, potentially causing damage.

  • Communication Errors: Faulty communication between the motor and the control system.

  • Encoder Faults: Issues with the encoder, leading to inaccurate positioning or speed control.

  • Blown Fuses: Frequent fuse failures indicating an underlying electrical problem.

  • Excessive Vibration: Unusual vibrations during operation, suggesting mechanical issues.

  • Bearing Failure: Worn or damaged bearings causing noise and reduced performance.

  • Low Torque: Motor unable to deliver the required torque for the application.

  • Positioning Errors: Inaccurate positioning or inability to maintain the desired position.

  • Drive Faults: Errors reported by the servo drive unit.

  • Stator winding issues: Shorted or open windings.

  • Resolver Problems: Faulty resolver signals.


Our Fanuc Servo Motor Repair Process

Roc Industrial LLC follows a meticulous and comprehensive repair process to ensure the highest quality and reliability in our Fanuc servo motor repairs:

  1. Free Evaluation and Quote: We begin with a thorough visual inspection of the servo motor to identify any obvious damage. Following the initial inspection, we provide a detailed quote for the repair, with no hidden fees.

  2. Shipping Instructions: Once the quote is approved, we provide clear and concise shipping instructions to ensure the safe transport of your servo motor to our repair facility. We can also arrange for pickup if needed.

  3. Diagnosis Using Specialized Test Equipment: Upon arrival, our experienced technicians conduct a comprehensive diagnosis using advanced test equipment. This includes static and dynamic testing to pinpoint the root cause of the failure. We use oscilloscopes, signal generators, and dedicated Fanuc testing rigs to accurately assess the motor's condition.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This includes replacing bearings, encoders, resolvers, and other critical parts. We source our components from trusted suppliers to ensure optimal performance and longevity.

  5. Load Testing and Quality Checks: After the repair, the servo motor undergoes rigorous load testing to simulate real-world operating conditions. We monitor performance parameters such as speed, torque, and temperature to ensure it meets or exceeds original specifications. Our quality control process includes vibration analysis, insulation resistance testing, and functional testing.

  6. Warranty-Backed Return and Support: All our Fanuc servo motor repairs are backed by a comprehensive warranty. We are committed to providing exceptional customer support and are available to answer any questions or concerns you may have after the repair. We ensure the motor is carefully packaged for safe return shipping.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc servo motor repair services to customers nationwide. We understand the urgency of getting your equipment back up and running, no matter where you are located. We serve major metropolitan areas, including New York, Los Angeles, Chicago, Houston, and Dallas, as well as smaller cities and rural areas across the country.


We offer fast shipping options and quick turnaround times to minimize downtime. Our logistics team works diligently to ensure your servo motor is transported safely and efficiently. Whether you are in a bustling industrial hub or a remote manufacturing facility, Roc Industrial LLC is your reliable partner for Fanuc servo motor repairs. Contact us today to discuss your repair needs and experience our exceptional service.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: Decades of experience in industrial electronic repair, specializing in Fanuc servo motors.

  • Warranty-Backed Repairs: Comprehensive warranty on all repairs, providing peace of mind.

  • Thousands of Parts in Stock: Extensive inventory of genuine Fanuc parts for fast and efficient repairs.

  • Fast Turnaround, Often Same-Day: Expedited repair services to minimize downtime, with same-day options available.

  • ISO-Certified Repair Processes: Adherence to strict ISO standards ensuring quality and reliability.

  • Exceptional Customer Support: Dedicated customer support team available to assist you throughout the repair process.

  • Free Evaluations: No-cost evaluations to accurately diagnose the problem and provide a transparent quote.

  • Component Level Repair: We repair down to the component level, saving you money over full replacements.

Don’t let a faulty Fanuc servo motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Fanuc servo motor repair.

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