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Fanuc servo motor ground fault rush repair

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: Fast, Reliable Service by Roc Industrial LLC

Is your Fanuc servo motor experiencing issues? Roc Industrial LLC specializes in providing rapid and reliable Fanuc servo motor repair services to minimize downtime and keep your operations running smoothly. We understand the critical role these motors play in your automation systems, and we are committed to delivering expert repairs with speed and precision. With decades of experience and a dedicated team of technicians, Roc Industrial LLC is your trusted partner for Fanuc servo motor troubleshooting, testing, and refurbishment. We offer free evaluations and warranty-backed repairs to ensure your complete satisfaction.



About Fanuc Servo Motors

Fanuc is a global leader in factory automation, renowned for its high-performance servo motors used in a wide range of industrial applications. Fanuc servo motors are integral components in CNC machines, robotics, and other automated systems, providing precise and reliable motion control. These motors are designed for demanding environments and are known for their durability and efficiency. However, even the most robust servo motors can experience failures over time due to wear and tear, electrical issues, or environmental factors.


Fanuc servo motors are widely used across various industries, including automotive, aerospace, electronics, and manufacturing. Their precision and reliability make them essential for tasks such as machining, assembly, and material handling. The advanced technology incorporated into Fanuc servo motors ensures optimal performance and accuracy, contributing to increased productivity and reduced downtime. When these motors fail, it's crucial to have a reliable repair service to restore them to their original working condition quickly.



Supported Models & Series

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

  • Alpha Series: αiS, αiF, αiL, αiCZ

  • Beta Series: βiS, βiF, βiL

  • AC Servo Motors: A06B-0111, A06B-0127, A06B-0157, A06B-0205, A06B-0212, A06B-0223

  • Spindle Motors: A06B-0851, A06B-0852, A06B-0853, A06B-0857

  • Pulse Coder Motors: Various models with pulse coders for precise feedback control

  • Specific Models: A06B-0031-B003, A06B-0032-B003, A06B-0034-B003, A06B-0075-B003, A06B-0078-B003

  • Older Series: Including legacy models that are no longer in production but still require support.

  • Robot Servo Motors: Motors used specifically in Fanuc robotic arms.


Common Fanuc Servo Motor Problems We Repair

Customers often experience a range of issues with their Fanuc servo motors, impacting their operational efficiency. These problems can stem from various factors, including age, usage intensity, and environmental conditions. Roc Industrial LLC is equipped to address these common failures effectively.

  • No Output: The motor fails to produce any rotational force, indicating a potential issue with the power supply, windings, or control circuitry.

  • Overheating: Excessive heat generation can damage the motor's internal components, leading to reduced performance and eventual failure.

  • Communication Errors: Faulty communication between the motor and the control system can result in erratic behavior or complete shutdown.

  • Encoder Faults: Issues with the encoder, which provides feedback on the motor's position and speed, can lead to inaccurate control and performance.

  • Blown Fuses: Frequent fuse failures suggest an underlying problem, such as a short circuit or overload condition.

  • Ground Faults: Electrical leakage to ground can pose a safety hazard and damage the motor's insulation.

  • Vibration and Noise: Unusual vibrations or noises during operation can indicate mechanical issues, such as bearing wear or imbalance.

  • Low Torque: Reduced torque output can affect the motor's ability to perform its intended function effectively.

  • Erratic Movement: Unpredictable or jerky movements can be caused by control system problems or internal motor faults.

  • Rush Current Issues: Excessive inrush current during startup causing protection circuits to trip.


Our Fanuc Servo Motor Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality of service for your Fanuc servo motors. Our process is designed to identify and address all potential issues, restoring your motors to optimal performance.

  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 provided free of charge, and we will provide you with a detailed quote for the repair.

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

  3. Diagnosis Using Specialized Test Equipment: Our technicians use state-of-the-art test equipment to diagnose the motor's condition accurately. This includes insulation resistance testing, winding analysis, and encoder testing.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This includes bearings, encoders, windings, and other critical parts.

  5. Load Testing and Quality Checks: After the repair, we subject the motor to rigorous load testing to ensure it meets or exceeds original performance specifications. We also conduct thorough quality checks to verify the integrity of the repair.

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


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 motors back in operation as quickly as possible. Whether you are located in New York, Los Angeles, Chicago, Houston, or Dallas, we are here to serve your repair needs.


Our nationwide service network ensures that you can access our expert repair services regardless of your location. We work with trusted shipping partners to provide reliable and efficient transportation of your Fanuc servo motors. Our goal is to provide a seamless and hassle-free repair experience, from initial evaluation to final delivery.



Why Choose Roc Industrial LLC?

When it comes to Fanuc servo motor repair, Roc Industrial LLC stands out as a trusted and reliable provider. We offer a range of benefits that set us apart from the competition:

  • 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 issues.

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

  • Thousands of Parts in Stock: We maintain a large inventory of Fanuc servo motor parts, allowing us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime, and we offer fast turnaround times, often completing repairs on the same day.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest standards of quality and consistency.

  • 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. We are here to help you keep your automation systems running smoothly and efficiently.

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