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Fanuc servo motor troubleshooting experts

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.

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. Our experienced technicians are equipped to diagnose and repair a wide range of Fanuc servo motor issues, ensuring your equipment is back up and running quickly. Trust Roc Industrial LLC for all your Fanuc servo motor repair needs.



About Fanuc Servo Motors

Fanuc is a globally recognized leader in factory automation, renowned for its high-performance servo motors. These motors are integral components in a vast array of industrial applications, including CNC machining centers, robotic arms, and automated assembly lines. Fanuc servo motors are known for their precision, reliability, and durability, making them a preferred choice for manufacturers seeking optimal performance and efficiency. However, even the most robust servo motors can experience failures over time due to wear and tear, environmental factors, or electrical issues.


The Fanuc servo motor product line encompasses a diverse range of models designed to meet the specific needs of various applications. From compact motors for small CNC machines to high-torque motors for heavy-duty robotic systems, Fanuc offers a solution for virtually any industrial automation requirement. Their reputation for quality and innovation has made Fanuc a trusted name in the industry, and their servo motors are widely used in industries such as automotive, aerospace, electronics, and manufacturing.



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)

  • AC Servo Motor Series (Model 3, Model 6, Model 10, Model 20, Model 30, Model 50)

  • Pulse Coder Motors

  • Spindle Motors (various HP and RPM ratings)

  • Absolute Encoders

  • Incremental Encoders

  • Fanuc AC Servo Motor Ai Series

  • Fanuc AC Servo Motor Bi Series

  • A06B-0031 Series

  • A06B-0111 Series

  • A06B-0127 Series

  • A06B-0151 Series

  • A06B-0205 Series

  • A06B-0212 Series

  • A06B-0223 Series

  • A06B-0266 Series

  • A06B-0311 Series

  • A06B-0315 Series

  • A06B-0501 Series

  • A06B-0502 Series

  • A06B-0512 Series

  • A06B-0513 Series

  • A06B-0517 Series

  • A06B-0521 Series

  • A06B-0531 Series

  • A06B-0541 Series

  • A06B-0542 Series

  • A06B-0571 Series

  • A06B-0572 Series

  • A06B-0573 Series

  • A06B-0585 Series

  • A06B-0586 Series

  • A06B-0587 Series

  • A06B-0588 Series

  • A06B-0591 Series

  • A06B-0592 Series

  • A06B-0593 Series

  • A06B-0594 Series

  • A06B-0601 Series

  • A06B-0602 Series

  • A06B-0603 Series

  • A06B-0604 Series

  • A06B-0605 Series

  • A06B-0607 Series

  • A06B-0608 Series

  • A06B-0609 Series

  • A06B-0611 Series

  • A06B-0612 Series

  • A06B-0613 Series

  • A06B-0614 Series

  • A06B-0615 Series

  • A06B-0616 Series

  • A06B-0617 Series

  • A06B-0618 Series

  • A06B-0619 Series

  • A06B-0621 Series

  • A06B-0622 Series

  • A06B-0623 Series

  • A06B-0624 Series

  • A06B-0625 Series

  • A06B-0626 Series

  • A06B-0627 Series

  • A06B-0628 Series

  • A06B-0629 Series

  • A06B-0631 Series

  • A06B-0632 Series

  • A06B-0633 Series

  • A06B-0634 Series

  • A06B-0635 Series

  • A06B-0636 Series

  • A06B-0637 Series

  • A06B-0638 Series

  • A06B-0639 Series


Common Fanuc Servo Motor Problems We Repair

Fanuc servo motors are known for their reliability, but like any precision equipment, they can experience failures. These failures can lead to costly downtime and production losses. Roc Industrial LLC specializes in diagnosing and repairing a wide range of common and complex issues affecting Fanuc servo motors.

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

  • Overheating: Excessive heat generation during operation, potentially leading to thermal damage.

  • Encoder Faults: Errors in the encoder feedback signal, causing inaccurate positioning or erratic movement.

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

  • Excessive Vibration or Noise: Unusual vibrations or noises during operation, indicating mechanical issues.

  • Blown Fuses: Repeated fuse failures, suggesting an underlying electrical problem.

  • Low Torque: Insufficient torque output, resulting in poor performance or inability to handle loads.

  • Positioning Errors: Inaccurate or inconsistent positioning, affecting the precision of the application.

  • Bearing Failure: Worn or damaged bearings, causing noise, vibration, and potential motor damage.

  • Winding Shorts: Short circuits within the motor windings, leading to reduced performance or complete failure.

  • Brake Malfunction: Issues with the motor's brake system, preventing proper holding or stopping.

  • Moisture Contamination: Damage caused by moisture ingress, leading to corrosion and electrical problems.

  • Resolver Issues: Faults within the resolver feedback system, impacting motor control.

  • Power Supply Problems: Internal power supply failures affecting the motor's operation.


Our Fanuc Servo Motor Repair Process

Roc Industrial LLC employs a comprehensive and meticulous repair process to ensure the highest quality Fanuc servo motor repair. Our process is designed to identify the root cause of the failure, implement effective repairs, and thoroughly test the motor to guarantee optimal performance.

  1. Free Evaluation and Quote: We begin with a free, no-obligation evaluation of your faulty Fanuc servo motor. Our technicians carefully inspect the motor to identify the problem and provide you with a detailed quote for the repair.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise 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: Upon arrival, your motor undergoes a thorough diagnosis using our state-of-the-art test equipment. This includes dynamic testing, insulation testing, and encoder analysis to pinpoint the exact cause of the failure.

  4. Component-Level Repair and Replacement: Our skilled technicians perform component-level repairs, replacing faulty components with high-quality replacements. We use only genuine Fanuc parts or equivalent to ensure optimal performance and reliability.

  5. Load Testing and Quality Checks: After the repair, your motor undergoes rigorous load testing to simulate real-world operating conditions. We also perform comprehensive quality checks to ensure that the motor meets or exceeds original performance specifications.

  6. Warranty-Backed Return and Support: All our Fanuc servo motor repairs are backed by a comprehensive warranty. We also provide ongoing technical support to ensure your complete satisfaction. Roc Industrial LLC stands behind its work.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc servo motor repair services to customers nationwide. We understand that downtime can be costly, so we offer fast turnaround times and expedited shipping options to minimize disruption to your operations. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or anywhere else in the United States, we're here to help.


Our nationwide service network ensures that you can access our expert repair services regardless of your location. We work with reliable shipping partners to provide secure and timely transportation of your Fanuc servo motors. Contact us today to learn more about our nationwide repair services and how we can help you keep your equipment running smoothly.



Why Choose Roc Industrial LLC?

When it comes to Fanuc servo motor repair, Roc Industrial LLC is the trusted choice for businesses across the country. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition.

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

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

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc servo motor parts, allowing us to expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, so we 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 consistency.

  • 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 Fanuc servo motor repair.

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