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Siemens Legacy Drive Repair Solutions

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.

Siemens Legacy Drive Repair Services by Roc Industrial LLC

Is your Siemens legacy drive causing downtime and impacting your production? Roc Industrial LLC specializes in Siemens legacy drive repair, offering fast, reliable, and cost-effective solutions to get your equipment back up and running quickly. We understand the critical role these drives play in your operations, and our experienced technicians are equipped to handle a wide range of Siemens legacy drive models. Trust Roc Industrial LLC for expert Siemens drive repair services, minimizing downtime and maximizing the lifespan of your valuable equipment. We pride ourselves on our speed, reliability, and deep expertise in Siemens industrial electronics. Let us be your trusted partner for all your Siemens legacy drive repair needs.



About Siemens Legacy Drives

Siemens is a global leader in industrial automation and technology, renowned for its high-quality and innovative drive systems. Siemens legacy drives, while older models, continue to be essential components in many industrial applications worldwide. These drives are known for their robustness and longevity, but like all electronic equipment, they are susceptible to failure over time. Siemens drives are integral to controlling motors in a variety of applications, from CNC machines and robotics to conveyor systems and pumps. Their reliability has made them a staple in industries such as manufacturing, automotive, and energy.


However, sourcing replacement parts or finding qualified technicians for these older Siemens drive models can be challenging. That's where Roc Industrial LLC steps in. We have extensive experience in Siemens legacy drive repair, offering comprehensive services to keep your older equipment running smoothly. Our expertise covers a wide range of Siemens drive families, ensuring that we can provide the right solution for your specific needs. We understand the importance of minimizing downtime, and our efficient repair process is designed to get your Siemens legacy drive back in operation as quickly as possible.



Supported Models & Series

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

  • Simodrive 611

  • Simodrive 611U

  • Simodrive 650

  • Simoreg DC Drives (various series)

  • Micromaster Series (e.g., Micromaster 420, 430, 440)

  • Simovert Masterdrives (e.g., Vector Control, Motion Control)

  • Older Sinamics Series (early generations)

  • Siemens AC Vector Drives

  • Siemens DC Drives

  • 6RA24

  • 6RA23

  • 6RA70

If you don't see your specific Siemens legacy drive model listed, please contact us. Our capabilities extend beyond this list, and we are confident that we can provide a repair solution for your needs. We have access to extensive documentation and a vast inventory of parts to support a wide variety of Siemens legacy drives.



Common Siemens Legacy Drive Problems We Repair

Siemens legacy drives, despite their robust design, can experience various issues over time. These problems can range from simple component failures to more complex control circuit malfunctions. Recognizing these common issues is the first step in getting your Siemens drive repaired quickly and efficiently. Here are some of the common problems we encounter when repairing Siemens legacy drives:

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

  • Overvoltage/Undervoltage Errors: The drive detects voltage levels outside the acceptable range.

  • Communication Errors: The drive loses communication with the control system or other devices.

  • Overheating: The drive's internal temperature exceeds safe operating limits.

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

  • Encoder Faults: The encoder signal is lost or corrupted, preventing accurate motor control.

  • Drive tripping: The drive shuts down unexpectedly due to a fault condition.

  • Power Supply Failures: The internal power supply fails to provide the necessary voltage levels.

  • IGBT Failures: Insulated Gate Bipolar Transistors (IGBTs) fail, leading to drive malfunction.

  • Dead Fan: Overheating due to fan failure.

  • Bad Capacitors: Failing capacitors causing voltage fluctuations.

These are just some of the common issues we see. Our technicians are skilled in diagnosing and repairing a wide range of Siemens legacy drive problems. We use advanced diagnostic equipment and techniques to identify the root cause of the problem and implement the most effective repair solution.



Our Siemens Legacy Drive Repair Process

Roc Industrial LLC follows a meticulous repair process to ensure the highest quality Siemens legacy drive repair. Our process is designed to be transparent, efficient, and effective, providing you with peace of mind and minimizing downtime.

  1. Free Evaluation and Quote: Contact us with details about your Siemens legacy drive and the problem you are experiencing. We offer a free evaluation to assess the extent of the damage and provide you with a detailed quote for the repair.

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

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians will thoroughly diagnose your Siemens legacy drive using specialized test equipment and techniques. We identify the root cause of the problem and determine the most effective repair solution.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We have a vast inventory of parts to support a wide range of Siemens legacy drive models.

  5. Load Testing and Quality Checks: After the repair is complete, we perform rigorous load testing and quality checks to ensure your Siemens legacy drive is functioning properly and meets our high standards.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. Your repaired Siemens legacy drive will be carefully packaged and shipped back to you. We also provide ongoing support to answer any questions you may have.


Nationwide Repair Services

Roc Industrial LLC provides Siemens legacy drive repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and reliable repair services, no matter where you are located. We serve customers in major metro areas such as New York, Los Angeles, Chicago, Houston, and Dallas, as well as smaller towns and rural areas across the country.


We offer fast shipping options and quick turnaround times to minimize downtime. Our efficient repair process and extensive inventory of parts allow us to complete most repairs quickly and efficiently. Contact us today to learn more about our nationwide Siemens legacy drive repair services.



Why Choose Roc Industrial LLC?

When it comes to Siemens legacy drive repair, Roc Industrial LLC is the trusted choice. We offer a combination of experience, expertise, and customer service that is unmatched in the industry. Here are just a few of the reasons why you should choose us:

  • 30+ Years of Experience: We have been providing industrial electronic repair services for over 30 years, and we have extensive experience with Siemens legacy drives.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty, giving you peace of mind.

  • Thousands of Parts in Stock: We have a vast inventory of parts to support a wide range of Siemens legacy drive models, allowing us to complete repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand that downtime can be costly, and we are committed to providing fast turnaround times, often same-day service.

  • ISO-Certified Repair Processes: Our repair processes are ISO-certified, ensuring the highest 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 Siemens legacy drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for all your Siemens legacy drive repair needs.

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