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Lenze power supply diagnostics & 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.

Lenze Power Supply Repair Services by Roc Industrial LLC

Is your Lenze power supply malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Lenze power supply repair services. We understand the critical role these power supplies play in your industrial operations, and we are committed to getting you back up and running quickly. With decades of experience, a vast inventory of parts, and a team of skilled technicians, Roc Industrial LLC is your trusted partner for all your Lenze power supply repair needs.



About Lenze Power Supplies

Lenze is a globally recognized leader in drive and automation technology, known for its innovative and high-performance products. Lenze power supplies are integral components in a wide range of industrial applications, providing stable and reliable power to critical equipment. These power supplies are designed to meet the demanding requirements of modern automation systems, ensuring optimal performance and efficiency.


Lenze power supplies are widely used in industries such as manufacturing, packaging, material handling, and robotics. Their robust design and advanced features make them a preferred choice for applications requiring precise control and dependable operation. From compact DIN rail power supplies to high-power modular systems, Lenze offers a comprehensive range of power solutions to meet diverse industrial needs. Roc Industrial LLC understands the intricacies of Lenze power supplies and provides specialized repair services to keep your operations running smoothly.



Supported Models & Series

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

  • E82ZBC Series

  • E94AZ Series

  • E84DGF Series

  • EVS932x-ES Series

  • EVS933x-ES Series

  • E82ZAF Series

  • E82ZAP Series

  • E84AV Series

  • E94AY Series

  • Various Lenze Inverter Power Supply Units

  • Lenze AC Tech Power Supplies


Common Lenze Power Supply Problems We Repair

Lenze power supplies, like all electronic equipment, can experience failures over time. We specialize in diagnosing and repairing a wide array of issues that can affect the performance of your Lenze power supplies.

  • No Output Voltage: The power supply fails to provide any output voltage, preventing connected devices from operating.

  • Low Output Voltage: The output voltage is significantly lower than the specified value, leading to unstable or incorrect operation of connected equipment.

  • Overvoltage: The output voltage exceeds the specified limit, potentially damaging connected devices.

  • Communication Errors: The power supply fails to communicate with the control system, preventing proper monitoring and control.

  • Overheating: The power supply overheats due to component failure, inadequate cooling, or excessive load.

  • Blown Fuses: Fuses blow frequently, indicating an internal fault or overload condition.

  • Internal Component Failure: Failure of internal components such as capacitors, resistors, or semiconductors.

  • Inconsistent Performance: The power supply operates erratically, causing intermittent issues with connected equipment.

  • Error Codes Displayed: The power supply displays error codes indicating specific faults or issues.

  • Power Surges: The power supply is susceptible to damage from power surges or spikes.


Our Lenze Power Supply Repair Process

Roc Industrial LLC follows a comprehensive and meticulous repair process to ensure the highest quality Lenze power supply repairs. Our process is designed to identify the root cause of the problem, implement effective repairs, and thoroughly test the unit to ensure reliable performance.

  1. Free Evaluation and Quote: We begin with a free evaluation of your Lenze power supply to determine the extent of the damage and provide you with a detailed repair quote. This evaluation helps us accurately diagnose the problem and estimate the cost of repair.

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

  3. Diagnosis Using Specialized Test Equipment: Our skilled technicians use specialized test equipment to thoroughly diagnose the power supply. This includes checking all critical components, testing output voltages and currents, and analyzing waveforms to identify any anomalies.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our extensive inventory of parts allows us to quickly source the necessary components and minimize downtime.

  5. Load Testing and Quality Checks: After the repair, we perform rigorous load testing to ensure the power supply operates within specified parameters under various load conditions. We also conduct thorough quality checks to verify the repair meets our high standards.

  6. Warranty-Backed Return and Support: All our Lenze power supply repairs are backed by a comprehensive warranty. We provide ongoing support to ensure your complete satisfaction. If you experience any issues after the repair, simply contact us, and we will promptly address your concerns.


Nationwide Repair Services

Roc Industrial LLC provides Lenze power supply repair services to customers nationwide. Whether you are located in New York, Los Angeles, Chicago, Houston, or Dallas, we can quickly and efficiently repair your Lenze power supplies. Our fast shipping options and quick turnaround times minimize downtime and keep your operations running smoothly.


We understand the importance of minimizing downtime in industrial environments. That's why we offer expedited repair services and fast shipping options to get your Lenze power supplies back to you as quickly as possible. Our nationwide service network ensures that you can access our expert repair services no matter where you are located.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: With over 30 years of experience in industrial electronic repair, we have the expertise to handle even the most complex Lenze power supply repairs.

  • 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: Our extensive inventory of parts allows us to quickly source the necessary components and minimize downtime.

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

  • ISO-Certified Repair Processes: Our ISO-certified repair processes ensure the highest quality and consistency in our repairs.

  • Exceptional Customer Support: We are committed to providing exceptional customer support and ensuring your complete satisfaction.

Don’t let a faulty Lenze power supply slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Lenze power supply repair.

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