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Lenze inverter exchange program 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.

Lenze Inverter Repair Services by Roc Industrial LLC

Is your Lenze inverter malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Lenze inverter repair services. We understand the critical role Lenze inverters play in your industrial operations. Lenze inverters are sophisticated devices used to control the speed of AC motors in a wide range of applications, from simple conveyor systems to complex CNC machinery. When these inverters fail, it can bring your entire production line to a standstill. That's why Roc Industrial LLC is committed to offering rapid turnaround times, comprehensive repair solutions, and unparalleled expertise to get your Lenze inverters back up and running as quickly as possible. Trust Roc Industrial LLC as your trusted repair provider for all your Lenze inverter needs.



About Lenze Inverters

Lenze is a globally recognized leader in drive and automation technology, renowned for its innovative and high-performance inverters. Lenze inverters are designed to provide precise motor control, energy efficiency, and reliable operation in demanding industrial environments. These inverters are integral to a wide array of applications, including material handling, packaging machinery, printing presses, and renewable energy systems. Lenze's commitment to quality and technological advancement has made its inverters a preferred choice for manufacturers seeking optimal performance and productivity.


Lenze inverters are widely used across various industries due to their robust design and advanced features. They are commonly found in CNC machines, robotics systems, automated assembly lines, and other critical automation applications. The brand’s reputation for durability and precision makes Lenze a trusted name in the industrial automation sector. Roc Industrial LLC has extensive experience in servicing and repairing a wide range of Lenze inverter models, ensuring that your equipment operates at peak efficiency and minimizes downtime.



Supported Models & Series

We repair a wide range of Lenze inverter models and series, including but not limited to:

  • Lenze i500 Series: i510, i520, i550

  • Lenze 8200 Vector Series: 8200 Vector E, 8200 Vector

  • Lenze 9400 Servo Inverters: 9400 Servo PLC, 9400 Servo ECS

  • Lenze SMVector Series: SMVector NEMA 1, SMVector NEMA 4X

  • Lenze ECS Series: E82EV, E82MV, E82SV

  • Lenze g500 Gearboxes: g500-B Bevel Gearboxes, g500-H Helical Gearboxes

  • Lenze SE Series: SE701, SE702, SE703

  • Lenze L-Force Series: L-Force E84AV, L-Force E84D

  • Legacy Lenze Inverters: Many older and discontinued models supported. Contact us for details.


Common Lenze Inverter Problems We Repair

Lenze inverters, while reliable, can experience various issues over time due to wear and tear, environmental factors, or electrical surges. Roc Industrial LLC is equipped to diagnose and repair a wide range of common Lenze inverter failures. We understand the urgency of getting your equipment back online, and our experienced technicians are dedicated to providing efficient and effective repair solutions.

  • No Output Voltage: The inverter fails to provide the necessary voltage to the motor, preventing it from running.

  • Overvoltage/Undervoltage Errors: The inverter detects voltage levels outside of the acceptable range, triggering a fault.

  • Communication Errors: The inverter loses communication with the control system or other devices, disrupting operation.

  • Overheating: The inverter's internal temperature exceeds safe limits, often due to insufficient cooling or excessive load.

  • Blown Fuses: Internal fuses blow due to overcurrent or short circuits, causing the inverter to shut down.

  • Encoder Faults: Issues with the encoder feedback signal, leading to inaccurate motor control.

  • Drive Not Ready: The inverter fails to initialize or enter the ready state, preventing operation.

  • Current Imbalance: Unequal current distribution among the inverter's output phases, indicating a potential problem with the motor or inverter components.

  • Parameter Corruption: Loss or corruption of stored parameters, requiring reprogramming.

  • IGBT Failures: Failure of Insulated Gate Bipolar Transistors (IGBTs), critical components for power switching.


Our Lenze Inverter Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality Lenze inverter repairs. Our experienced technicians use state-of-the-art equipment and proven techniques to diagnose and resolve a wide range of inverter issues. We are committed to providing transparent communication and exceptional service throughout the repair process.

  1. Free Evaluation and Quote: We offer a free evaluation of your Lenze inverter to determine the extent of the damage and provide you with a detailed repair quote. There are no hidden fees, and you are under no obligation to proceed with the repair.

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

  3. Diagnosis Using Specialized Test Equipment: Our technicians use advanced diagnostic tools and techniques to pinpoint the root cause of the inverter's failure. We thoroughly test all critical components to identify any underlying issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs whenever possible, replacing faulty components with high-quality replacements. We maintain a large inventory of Lenze inverter parts to minimize turnaround time.

  5. Load Testing and Quality Checks: After the repair is complete, we subject the inverter to rigorous load testing to ensure it performs flawlessly under real-world conditions. We conduct thorough quality checks to verify that all parameters are within specifications.

  6. Warranty-Backed Return and Support: All of our Lenze inverter repairs are backed by a comprehensive warranty, giving you peace of mind. We also provide ongoing technical support to answer any questions you may have after the repair.


Nationwide Repair Services

Roc Industrial LLC provides Lenze inverter repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and reliable repair solutions regardless of your location. Whether you are in New York, Los Angeles, Chicago, Houston, or Dallas, we can help you get your Lenze inverters back up and running quickly.


We offer fast shipping options and quick turnaround times to minimize disruption to your operations. Our experienced technicians are available to provide remote support and answer any questions you may have. Contact us today to learn more about our nationwide Lenze inverter repair services.



Why Choose Roc Industrial LLC?

When it comes to Lenze inverter repair, Roc Industrial LLC stands out as the premier choice. We offer a unique combination of experience, expertise, and customer service that sets us apart from the competition. Our commitment to quality and customer satisfaction is unwavering.

  • 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 Lenze inverter issues.

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

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

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your equipment back online, and we offer fast turnaround times, often with same-day service available.

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

  • 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 Lenze inverter slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Lenze inverter repair. We are your trusted partner for all your Lenze inverter service and troubleshooting needs. Roc Industrial LLC is also your Lenze inverter exchange program expert.

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