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Servo motor winding failure analysis

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 Servo Motor Repair Services by Roc Industrial LLC

Is your Fanuc servo motor experiencing issues? Roc Industrial LLC specializes in comprehensive Fanuc servo motor repair services, ensuring your critical equipment is back up and running quickly and efficiently. Servo motors are essential components in a wide range of industrial applications, from robotics and CNC machines to automated assembly lines. When these motors fail, it can lead to significant downtime and lost productivity. Roc Industrial LLC offers reliable, expert repair solutions, minimizing disruption and maximizing the lifespan of your valuable equipment. We pride ourselves on our speed, reliability, and technical expertise, making us the trusted repair provider for businesses across the nation.



About Fanuc Servo Motors

Fanuc is a global leader in factory automation, renowned for its high-quality and innovative servo motors. Fanuc servo motors are widely used in CNC machines, robotics, and other automation systems, providing precise and reliable motion control. These motors are designed for demanding industrial environments, offering exceptional performance and durability. However, even the most robust servo motors can experience failures due to wear and tear, electrical issues, or environmental factors.


Fanuc servo motors are integral to various industries, including manufacturing, automotive, aerospace, and electronics. Their precision and reliability are crucial for maintaining productivity and ensuring the quality of manufactured goods. Roc Industrial LLC understands the importance of these motors and provides specialized repair services to keep your operations running smoothly. We have extensive experience working with Fanuc servo motors and are equipped to handle a wide range of issues, from minor repairs to complete overhauls.



Supported Models & Series

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

  • Alpha Series (?i, ?is, ?iS)

  • Beta Series (?i, ?is)

  • Servo Amplifier Modules (SVM)

  • AC Servo Motors (various frame sizes)

  • Spindle Motors (various HP ratings)

  • Model A06B-0111-Bxxx

  • Model A06B-0123-Bxxx

  • Model A06B-0141-Bxxx

  • Model A06B-0205-Bxxx

  • Model A06B-0212-Bxxx

  • Model A06B-0226-Bxxx

  • Model A06B-0266-Bxxx

  • Model A06B-0311-Bxxx

  • Model A06B-0315-Bxxx

  • Model A06B-0502-Bxxx

  • (and many more - contact us for specific model support)


Common Fanuc Servo Motor Problems We Repair

Customers often experience a variety of issues with their Fanuc servo motors. These problems can range from simple malfunctions to complex failures that require specialized expertise to diagnose and repair.

  • No Output/Loss of Power: The motor fails to power on or provide any output torque.

  • Overheating: The motor runs excessively hot, potentially damaging internal components.

  • Communication Errors: The motor fails to communicate with the control system, resulting in operational errors.

  • Encoder Faults: The encoder, which provides feedback on motor position and speed, malfunctions, leading to inaccurate control.

  • Blown Fuses/Tripped Breakers: Repeated fuse failures or breaker trips indicate an underlying electrical problem.

  • Excessive Vibration/Noise: Unusual vibrations or noises during operation suggest mechanical issues.

  • Winding Failure: Shorted or open windings within the motor, often due to insulation breakdown.

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

  • Brake Malfunction: Issues with the motor's brake system, preventing it from holding position.

  • Low Insulation Resistance: Reduced insulation integrity leading to potential short circuits.


Our Fanuc Servo Motor Repair Process

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

  1. Free Evaluation and Quote: We begin with a free evaluation of your Fanuc servo motor to identify the problem and provide a detailed repair quote.

  2. Shipping Instructions: We provide clear shipping instructions to ensure your motor arrives safely at our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic tools and techniques to pinpoint the root cause of the failure. This includes servo motor winding failure analysis.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We stock thousands of parts, ensuring quick turnaround times.

  5. Load Testing and Quality Checks: After the repair, we thoroughly load test the motor to verify its performance and ensure it meets or exceeds original specifications.

  6. Warranty-Backed Return and Support: All our repairs are backed by a comprehensive warranty, providing you with peace of mind. We also offer ongoing support to address any questions or concerns.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc servo motor repair services to customers nationwide. Whether you're located in a major metropolitan area or a remote industrial site, we can help. We serve customers in:

  • New York, NY

  • Los Angeles, CA

  • Chicago, IL

  • Houston, TX

  • Dallas, TX

  • Phoenix, AZ

  • Philadelphia, PA

  • San Antonio, TX

  • San Diego, CA

  • San Jose, CA

We offer fast shipping options and quick turnaround times to minimize downtime and get your equipment back in operation as soon as possible. Contact us today to learn more about our nationwide repair services.



Why Choose Roc Industrial LLC?

When it comes to Fanuc servo motor repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: We have decades of experience repairing and servicing industrial equipment, including Fanuc servo motors.

  • Warranty-Backed Repairs: All our repairs are backed by a comprehensive warranty, ensuring your satisfaction.

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

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime and offer fast turnaround times, often with same-day service available.

  • 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, answering your questions and addressing your concerns promptly and professionally.

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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