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Moog servo drive repair and calibration

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 Moog Servo Drive Repair and Calibration Services

Is your Moog servo drive malfunctioning and impacting your critical operations? Roc Industrial LLC specializes in providing fast, reliable, and expert Moog servo drive repair and calibration services. We understand the importance of minimizing downtime, and our experienced technicians are dedicated to getting your equipment back up and running quickly. With decades of experience, state-of-the-art diagnostic equipment, and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Moog servo drive repair needs. We offer comprehensive repair solutions, from component-level troubleshooting to complete system refurbishment, ensuring optimal performance and longevity of your valuable equipment.



About Moog Servo Drives

Moog is a globally recognized leader in high-performance motion control solutions, and their servo drives are integral components in a wide range of industrial applications. Known for their precision, reliability, and advanced technology, Moog servo drives are designed to deliver exceptional performance in demanding environments. These drives are engineered to provide precise control of servo motors, enabling accurate positioning, speed regulation, and torque control. Moog's commitment to innovation and quality has made them a preferred choice for industries requiring high-performance motion control solutions.


Moog servo drives are widely used in industries such as aerospace, automotive, manufacturing, and energy. They are commonly found in CNC machines, robotics, automation systems, and other applications where precise motion control is critical. The robust design and advanced features of Moog servo drives make them suitable for demanding applications requiring high accuracy, speed, and reliability. Roc Industrial LLC understands the intricacies of Moog servo drive technology and provides specialized repair services to ensure these critical components continue to perform at their best.



Supported Models & Series

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

  • Moog G400 Series Servo Drives

  • Moog G700 Series Servo Drives

  • Moog G122/123 Series Servo Drives

  • Moog 30 Series Servo Drives

  • Moog D136 Series Servo Drives

  • Moog D138 Series Servo Drives

  • Moog D631/632 Series Servo Drives

  • Moog D761/762 Series Servo Drives

  • Moog Brushless Servo Drives

  • Moog Digital Servo Drives


Common Moog Servo Drive Problems We Repair

Moog servo drives are known for their reliability, but like all electronic equipment, they can experience failures over time. These failures can lead to costly downtime and reduced productivity. At Roc Industrial LLC, we have extensive experience diagnosing and repairing a wide range of issues affecting Moog servo drives.

  • No Output: The servo drive fails to provide any output voltage or current to the motor, resulting in a complete loss of motion control.

  • Overvoltage/Overcurrent Faults: The drive detects excessive voltage or current levels, triggering a fault and shutting down to protect the system.

  • Communication Errors: The servo drive is unable to communicate with the control system, preventing proper operation and control.

  • Overheating: The drive experiences excessive heat buildup, potentially damaging internal components and leading to premature failure.

  • Blown Fuses: Internal fuses blow due to excessive current draw or short circuits, interrupting power to critical circuits.

  • Encoder Faults: The encoder, which provides feedback on motor position and speed, malfunctions, resulting in inaccurate motion control.

  • Power Supply Failures: The internal power supply fails to provide the necessary voltage levels, causing the drive to malfunction or shut down.

  • Motor Stalling: The motor connected to the servo drive stalls or fails to rotate properly, indicating a problem with the drive or motor.

  • Erratic Motion: The motor exhibits erratic or unstable motion, indicating a problem with the servo drive's control algorithms or feedback system.

  • Positioning Errors: The servo drive is unable to accurately position the motor, resulting in errors in the controlled process.

  • Drift: The motor slowly moves from its intended position even when it should be stationary.

  • Excessive Vibration: The servo system exhibits excessive vibration, indicating a problem with the drive's tuning or the mechanical system.


Our Moog Servo Drive Repair Process

At Roc Industrial LLC, we follow a comprehensive and meticulous repair process to ensure the highest quality repairs for your Moog servo drives. Our experienced technicians use state-of-the-art equipment and proven techniques to diagnose and repair a wide range of issues.

  1. Free Evaluation and Quote: We begin with a free evaluation of your Moog servo drive to determine the extent of the damage and the necessary repairs. We then provide you with a detailed quote outlining the repair costs and turnaround time.

  2. Shipping Instructions: Once you approve the quote, we provide you with detailed shipping instructions to ensure your servo drive arrives safely at our repair facility. We can also arrange for expedited shipping if needed.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use specialized test equipment and diagnostic tools to pinpoint the root cause of the problem. We thoroughly inspect all components and circuits to identify any damaged or malfunctioning parts.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing only the faulty components with high-quality replacements. This approach minimizes repair costs and ensures the longevity of your servo drive. We stock thousands of parts to expedite the repair process.

  5. Load Testing and Quality Checks: After the repairs are completed, we perform rigorous load testing and quality checks to ensure the servo drive meets or exceeds original performance specifications. We simulate real-world operating conditions to verify its reliability and functionality.

  6. Warranty-Backed Return and Support: We stand behind our repairs with a comprehensive warranty. If you experience any issues with your repaired servo drive, simply contact us, and we will resolve the problem promptly. We also provide ongoing technical support to ensure your complete satisfaction.


Nationwide Repair Services

Roc Industrial LLC provides Moog servo drive repair services to customers nationwide. We understand that downtime can be costly, so we offer fast turnaround times and expedited shipping options to minimize disruptions to your operations. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we can provide you with reliable and efficient repair services.


We have established partnerships with leading shipping providers to ensure your servo drives are transported safely and securely. We also offer local pickup and delivery services in select areas. Our goal is to make the repair process as convenient and hassle-free as possible for our customers.



Why Choose Roc Industrial LLC?

When it comes to Moog servo drive repair, Roc Industrial LLC is the clear choice. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition.

  • 30+ Years of Experience: We have been providing industrial electronic repair services for over 30 years, giving us the knowledge and expertise to handle even the most complex Moog servo drive repairs.

  • Warranty-Backed Repairs: We stand behind our repairs with a comprehensive warranty, giving you peace of mind knowing that your servo drive is protected.

  • Thousands of Parts in Stock: We maintain a large inventory of Moog servo drive 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 completing repairs the same day.

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support throughout the repair process. Our friendly and knowledgeable staff is always available to answer your questions and address your concerns.

Don't let a faulty Moog servo drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Moog servo drive repair. We are your trusted partner for all your industrial electronic repair needs. We also offer Moog servo drive troubleshooting, testing, and refurbishment services. Roc Industrial LLC is committed to providing the best possible service and support to our customers.

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