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PowerFlex drive power module testing & testing

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.

Allen-Bradley PowerFlex Drive Repair Services by Roc Industrial LLC

Is your Allen-Bradley PowerFlex drive malfunctioning? Roc Industrial LLC specializes in fast, reliable, and expert Allen-Bradley PowerFlex drive repair services. PowerFlex drives are critical components in various industrial applications, controlling motor speed and torque to optimize performance. When these drives fail, it can lead to significant downtime and lost productivity. Roc Industrial LLC is your trusted partner for PowerFlex drive repair, offering comprehensive solutions to get your equipment back up and running quickly. We understand the urgency of your situation and are committed to providing the highest quality repair services with a focus on speed, reliability, and customer satisfaction. Our experienced technicians are equipped to handle a wide range of PowerFlex drive issues, from simple component replacements to complex troubleshooting and repairs. Trust Roc Industrial LLC to restore your PowerFlex drives to optimal performance.



About Allen-Bradley PowerFlex Drives

Allen-Bradley, a brand of Rockwell Automation, is a global leader in industrial automation solutions. Their PowerFlex series of drives are renowned for their performance, reliability, and versatility. PowerFlex drives are used in a wide variety of applications, including material handling, pumping, HVAC, and general-purpose motor control. These drives offer advanced features such as sensorless vector control, Ethernet/IP connectivity, and integrated safety functions, making them a popular choice for demanding industrial environments. The PowerFlex family includes a diverse range of drives, from compact and cost-effective models to high-performance drives designed for complex applications. Allen-Bradley has built a strong reputation for innovation and quality, and their PowerFlex drives are a testament to their commitment to providing cutting-edge automation solutions.


The Allen-Bradley PowerFlex family of drives is a cornerstone of modern industrial automation. These drives are designed to provide precise motor control, energy efficiency, and seamless integration with other automation systems. PowerFlex drives are commonly found in CNC machines, robotics systems, automated assembly lines, and various other manufacturing processes. Their robust design and advanced control algorithms ensure reliable operation even in harsh industrial environments. The PowerFlex series is known for its scalability and flexibility, allowing users to choose the right drive for their specific application needs. Whether you need a simple V/Hz drive or a sophisticated vector control drive, the PowerFlex family has a solution for you. Roc Industrial LLC understands the critical role that PowerFlex drives play in your operations, and we are dedicated to providing expert repair services to minimize downtime and maximize productivity.



Supported Models & Series

We repair a wide range of Allen-Bradley PowerFlex drive models and series, including but not limited to:

  • PowerFlex 4 Series

  • PowerFlex 40 Series

  • PowerFlex 400 Series

  • PowerFlex 525 Series

  • PowerFlex 70 Series

  • PowerFlex 700 Series

  • PowerFlex 753 Series

  • PowerFlex 755 Series

  • PowerFlex 755TS Series

  • PowerFlex 7000 Series (Medium Voltage)

  • 22A-D, 22B-D, 22F-D, 22H-D Series

  • Specific models within each series (e.g., 22A-D012N104, 22B-D2P3N104)

  • Legacy PowerFlex Drives (Contact us for older models)


Common Allen-Bradley PowerFlex Drive Problems We Repair

Allen-Bradley PowerFlex drives are known for their reliability, but like any electronic equipment, they can experience failures over time. These failures can disrupt your operations and lead to costly downtime. Roc Industrial LLC specializes in diagnosing and repairing a wide range of PowerFlex drive problems. We understand the common failure modes of these drives and have the expertise to quickly identify and resolve the issues.

  • No Output: Drive fails to provide any output voltage or current to the motor.

  • Overvoltage Fault: Drive trips due to excessive voltage on the DC bus.

  • Undervoltage Fault: Drive trips due to insufficient voltage on the DC bus.

  • Overcurrent Fault: Drive trips due to excessive current flowing through the output transistors.

  • Communication Errors: Drive fails to communicate with the PLC or other control devices.

  • Overheating: Drive overheats due to excessive load, inadequate cooling, or component failure.

  • Blown Fuses: Fuses blow due to short circuits or overcurrent conditions.

  • Encoder Faults: Drive reports errors related to the motor encoder feedback.

  • IGBT Failures: Insulated Gate Bipolar Transistors (IGBTs) fail due to overstress or aging.

  • Capacitor Failures: DC bus capacitors fail due to aging or excessive ripple current.

  • Ground Faults: Drive detects a ground fault in the motor or wiring.

  • Parameter Corruption: Drive parameters become corrupted, leading to erratic behavior.

  • Display Issues: Display is blank, dim, or shows incorrect information.

  • Power Module Failures: Issues within the power module preventing proper operation.


Our Allen-Bradley PowerFlex Drive Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure that your Allen-Bradley PowerFlex drives are restored to optimal performance. Our process is designed to identify the root cause of the failure, implement effective repairs, and thoroughly test the drive to ensure its reliability. We use state-of-the-art test equipment and employ experienced technicians to deliver the highest quality repair services.

  1. Free Evaluation and Quote: We offer a free evaluation of your PowerFlex drive to determine the extent of the damage and provide you with a detailed quote for the repair. There are no hidden fees or surprises.

  2. Shipping Instructions: Once you approve the quote, we provide you with clear and concise shipping instructions to ensure that your 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 to diagnose the root cause of the failure. We perform thorough testing of all critical components to identify any underlying issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs and replacements using high-quality parts. We have a large inventory of PowerFlex drive components in stock, allowing us to expedite the repair process.

  5. Load Testing and Quality Checks: After the repairs are completed, we perform load testing and quality checks to ensure that the drive is functioning properly under real-world conditions. We simulate various operating scenarios to verify its performance and reliability.

  6. Warranty-Backed Return and Support: All of our repairs are backed by a comprehensive warranty. We stand behind our work and are committed to providing you with exceptional customer support. If you experience any issues with your repaired drive, simply contact us, and we will resolve the problem promptly.


Nationwide Repair Services

Roc Industrial LLC provides Allen-Bradley PowerFlex drive repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and reliable repair services 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 help you get your PowerFlex drives back up and running quickly.


We offer fast shipping options and quick turnaround times to minimize downtime. Our experienced technicians are available to provide technical support and answer any questions you may have. We are dedicated to providing exceptional customer service and are committed to exceeding your expectations. Contact us today to learn more about our nationwide PowerFlex drive repair services.



Why Choose Roc Industrial LLC?

When it comes to Allen-Bradley PowerFlex drive repair, Roc Industrial LLC is the clear choice. We offer a combination of experience, expertise, and customer service that is unmatched in the industry. We are committed to providing you with the highest quality repair services at a competitive price.

  • 30+ Years of Experience: We have over 30 years of experience in repairing industrial electronic equipment, including Allen-Bradley PowerFlex drives.

  • Warranty-Backed Repairs: All of our repairs are backed by a comprehensive warranty.

  • Thousands of Parts in Stock: We have a large inventory of PowerFlex drive components in stock, allowing us to expedite the repair process.

  • Fast Turnaround, Often Same-Day: We offer fast turnaround times, and in many cases, we can provide same-day repair services.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring that we adhere to the highest standards of quality and safety.

  • Exceptional Customer Support: We are committed to providing you with exceptional customer support. Our experienced technicians are available to answer your questions and provide technical assistance.

Don't let a faulty Allen-Bradley PowerFlex drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We offer free evaluations and warranty-backed repairs, ensuring your peace of mind. Our expertise in PowerFlex drive power module testing & testing guarantees accurate diagnostics and effective solutions. Trust Roc Industrial LLC to get your equipment back up and running quickly and efficiently.

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