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Servo motor balancing overhaul services

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 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. Servo motors are critical components in various industrial applications, including robotics, CNC machines, and automated systems. When these motors fail, it can bring your entire operation to a standstill. We understand the urgency and offer comprehensive repair solutions to get your equipment back up and running quickly. Roc Industrial LLC is your trusted partner for all your Fanuc servo motor repair needs, offering unparalleled expertise and a commitment to quality.



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 to precision motion control in a wide array of industrial applications. Fanuc servo motors are designed for demanding environments, offering exceptional accuracy, speed, and durability. They are commonly found in CNC machines, robotics, and other automated systems where precise and consistent performance is essential. The brand has built a strong reputation for innovation and quality, making Fanuc servo motors a preferred choice for manufacturers worldwide.


The Fanuc servo motor product line includes a diverse range of models designed to meet various application requirements. From compact, high-speed motors to larger, high-torque units, Fanuc offers solutions for virtually any industrial need. These motors are known for their advanced features, such as high-resolution encoders, thermal overload protection, and robust construction. Whether you're operating a CNC milling machine, a robotic welding cell, or an automated assembly line, Fanuc servo motors provide the precision and reliability you need to maintain peak performance. Roc Industrial LLC has extensive experience repairing the entire range of Fanuc servo motors, ensuring your equipment operates at its best.



Supported Models & Series

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

  • Alpha Series (?i Series): ?iF, ?iS, ?iL, ?iCZ

  • Beta Series (?i Series): ?iF, ?iS, ?iL

  • Alpha i Series (?i Series): ?iS, ?iL, ?iCZ

  • Beta i Series (?i Series): ?iS, ?iL

  • AC Servo Motors: Model 3, Model 5, Model 10, Model 20, Model 30, Model 50

  • Spindle Motors: ?i Series, ?i Series

  • Direct Drive Motors: DDR Series

  • Linear Motors: LiS Series

  • Specific Models: A06B-0111-B003, A06B-0111-B004, A06B-0128-B077, A06B-0128-B078, A06B-0141-B077, A06B-0141-B078, A06B-0205-B000, A06B-0205-B001, A06B-0212-B000, A06B-0212-B001, A06B-0222-B000, A06B-0222-B001

  • Encoder Series: A860-2120-V001, A860-2120-V011, A860-2005-T301


Common Fanuc Servo Motor Problems We Repair

Fanuc servo motors, while highly reliable, can experience various issues over time due to wear and tear, environmental factors, or electrical problems. Recognizing these common problems is the first step in ensuring timely repairs and minimizing downtime. Roc Industrial LLC is equipped to handle a wide range of Fanuc servo motor failures, providing comprehensive solutions to restore your equipment to optimal performance.

  • No Output/Loss of Power: The motor fails to produce any torque or movement, often due to internal component failure or power supply issues.

  • Overheating: Excessive heat buildup can damage the motor windings and other critical components, leading to premature failure.

  • Encoder Faults: Problems with the encoder can result in inaccurate positioning or complete loss of control.

  • Communication Errors: Issues with the communication interface can prevent the motor from receiving commands from the controller.

  • Vibration and Noise: Unusual vibrations or noises during operation can indicate bearing damage, imbalance, or other mechanical problems.

  • Blown Fuses: Repeatedly blown fuses can signal an underlying electrical fault within the motor or drive system.

  • Positioning Errors: Inaccurate or inconsistent positioning can be caused by encoder problems, backlash, or servo loop tuning issues.

  • Brake Malfunctions: Failure of the holding brake to engage or disengage properly.

  • Excessive Current Draw: Higher than normal current consumption, indicating potential winding shorts or mechanical overload.


Our Fanuc Servo Motor Repair Process

At Roc Industrial LLC, we follow a meticulous and comprehensive repair process to ensure the highest quality Fanuc servo motor repairs. Our experienced technicians use state-of-the-art equipment and proven techniques to diagnose and resolve a wide range of issues. We are committed to providing fast, reliable, and cost-effective repair solutions to minimize your downtime and maximize the lifespan of your equipment.

  1. Free Evaluation and Quote: We begin with a thorough evaluation of your Fanuc servo motor to identify the root cause of the problem. This evaluation is free of charge, and we provide you with a detailed quote outlining the necessary repairs and associated costs.

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

  3. Diagnosis Using Specialized Test Equipment: Our technicians use advanced diagnostic tools and equipment to pinpoint the exact cause of the failure. This includes testing the motor windings, encoder, feedback devices, and other critical components.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing only the faulty components to minimize costs. We use only high-quality replacement parts that meet or exceed OEM specifications.

  5. Servo motor balancing: Precision balancing of the rotor is performed to eliminate vibration and ensure smooth operation.

  6. Load Testing and Quality Checks: After the repairs are completed, we subject the motor to rigorous load testing to ensure it performs to its original specifications. We also conduct thorough quality checks to verify the integrity of the repair.

  7. Warranty-Backed Return and Support: All of our Fanuc servo motor repairs are backed by a comprehensive warranty. We stand behind our work and are committed to providing exceptional customer support.


Nationwide Repair Services

Roc Industrial LLC proudly offers our expert Fanuc servo motor repair services to customers nationwide. No matter where you are located, we can provide fast and reliable repair solutions to keep your operations running smoothly. We understand the importance of minimizing downtime, and we offer expedited shipping options and quick turnaround times to get your equipment back in service as quickly as possible.


We serve customers in major metropolitan areas across the country, including New York, Los Angeles, Chicago, Houston, and Dallas. Our nationwide network allows us to provide convenient and responsive service to customers in any location. Whether you're in a bustling industrial center or a remote manufacturing facility, Roc Industrial LLC is your trusted partner for Fanuc servo motor repairs.



Why Choose Roc Industrial LLC?

When it comes to Fanuc servo motor repair, Roc Industrial LLC stands out as the premier choice. Our commitment to quality, expertise, and customer satisfaction sets us apart from the competition. We understand the critical role these motors play in your operations, and we are dedicated to providing the best possible repair services to minimize downtime and maximize the lifespan of your equipment.

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

  • Warranty-Backed Repairs: All of 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 Fanuc servo motor parts, allowing us to provide fast turnaround times and minimize delays.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and offer expedited services, including same-day repairs in many cases.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring consistent quality and adherence to industry best practices.

  • 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 servo motor slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are committed to providing the highest quality service and support to keep your equipment running at its best. Trust Roc Industrial LLC for all your Fanuc servo motor repair needs.

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