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Servo motor coil short repair

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 Coil Short Repair Services by Roc Industrial LLC

Experiencing a Fanuc servo motor coil short? Roc Industrial LLC specializes in fast, reliable, and expert repair services for all Fanuc servo motors. We understand the critical role these motors play in your operations, and a coil short can lead to significant downtime. Our experienced technicians provide comprehensive troubleshooting, testing, and refurbishment services to get your Fanuc servo motors back up and running quickly. Trust Roc Industrial LLC as your trusted repair provider for all your Fanuc servo motor needs.



About Fanuc Servo Motors

Fanuc is a world-renowned leader in automation, known for its high-quality and reliable servo motors. These motors are integral to a wide range of industrial applications, including CNC machines, robotics, and automated manufacturing systems. Fanuc servo motors are designed for precision and durability, but like all mechanical components, they are susceptible to wear and tear, leading to failures such as coil shorts. A coil short in a servo motor can cause erratic behavior, reduced performance, or complete failure, impacting your production efficiency.


Fanuc servo motors are widely used in industries requiring precise motion control, such as automotive manufacturing, aerospace, and electronics assembly. Their robust design and advanced control features make them a preferred choice for demanding applications. However, the complex operating environment of these motors can expose them to factors that contribute to coil shorts, including overheating, contamination, and insulation breakdown. Roc Industrial LLC has extensive experience in diagnosing and repairing Fanuc servo motors, ensuring they meet the original manufacturer's specifications.



Supported Models & Series

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

  • Alpha Series: ?iS, ?iF, ?iL

  • Beta Series: ?iS, ?iF

  • AC Servo Motors: Model 3, Model 6, Model 10, Model 20, Model 30

  • DC Servo Motors: Series 2000, Series 3000

  • Spindle Motors: ?i Series, ?i Series

  • Pulse coder models: ?i-B series, ?i-B series

  • Specific Models: A06B-0111-B003, A06B-0128-B077, A06B-0115-B003, A06B-0205-B000, A06B-0223-B000, A06B-0266-B100

  • Various encoder types and feedback systems

If you don't see your specific Fanuc servo motor model listed, please contact us. Our technicians have the expertise to repair a wide variety of Fanuc servo motors, regardless of age or complexity.



Common Fanuc Servo Motor Problems We Repair

Fanuc servo motors can experience various issues that can disrupt your operations. We specialize in diagnosing and repairing these common failures to minimize downtime and ensure optimal performance.

  • Coil Shorts: Insulation breakdown leading to short circuits within the motor windings.

  • Overheating: Excessive heat buildup due to overload, inadequate cooling, or internal faults.

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

  • Bearing Failure: Worn or damaged bearings resulting in noise, vibration, and reduced motor efficiency.

  • Communication Errors: Issues with the communication interface between the motor and the control system.

  • No Output: Complete lack of motor function due to electrical or mechanical failures.

  • Vibration Issues: Excessive vibration caused by imbalance, misalignment, or internal damage.

  • Contamination: Ingress of dirt, debris, or fluids into the motor, leading to corrosion and damage.

  • Blown Fuses: Electrical overloads or short circuits causing fuses to blow.

  • Low Insulation Resistance: Deterioration of insulation material, leading to leakage current and potential failure.


Our Fanuc Servo Motor Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality and reliability of our Fanuc servo motor repairs. Here's a step-by-step breakdown of our process:

  1. Free Evaluation and Quote: We begin with a free evaluation of your faulty Fanuc servo motor to determine the extent of the damage and provide you with a detailed repair quote. This includes a thorough inspection and preliminary testing.

  2. Shipping Instructions: Once you approve the quote, we provide clear and concise shipping instructions to ensure your servo motor arrives safely at our repair facility. We can also arrange for pickup services in certain areas.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic equipment to pinpoint the root cause of the problem. This includes insulation testing, winding resistance measurements, and encoder analysis. We utilize specialized Fanuc testing platforms to simulate real-world operating conditions.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This includes rewinding coils, replacing bearings, repairing encoders, and addressing any other identified issues. We source our components from reputable suppliers to ensure long-lasting performance.

  5. Load Testing and Quality Checks: After the repair, we subject the servo motor to rigorous load testing to verify its performance under various operating conditions. This includes testing for speed, torque, and accuracy. We also conduct thorough quality checks to ensure the repair meets our stringent standards.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. Your repaired Fanuc servo motor is carefully packaged and returned to you, along with detailed documentation of the repair process. Our customer support team is available to answer any questions and provide ongoing assistance.


Nationwide Repair Services

Roc Industrial LLC provides Fanuc servo motor repair services to customers nationwide. We understand the importance of minimizing downtime, and we offer fast shipping options and quick turnaround times to get your equipment back in operation as soon as possible. Whether you're located in New York, Los Angeles, Chicago, Houston, or Dallas, we can provide reliable and efficient repair services.


Our nationwide service network allows us to serve customers across various industries, including manufacturing, automation, and robotics. We offer expedited shipping options to minimize transit time and ensure your Fanuc servo motor arrives at our facility quickly. Our team is committed to providing exceptional customer service and keeping you informed throughout the repair process. We also offer on-site troubleshooting and repair services for select customers.



Why Choose Roc Industrial LLC?

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

  • 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: We stand behind our repairs with a comprehensive warranty, giving you peace of mind and assurance of quality.

  • Thousands of Parts in Stock: Our extensive inventory of spare parts allows us to expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and offer fast turnaround times, often with same-day service available.

  • 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 coil short slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for all your Fanuc servo motor repair needs.

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