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Servo drive overvoltage error reset

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 Servo Drive Repair Services by Roc Industrial LLC

Is your Siemens servo drive malfunctioning? Roc Industrial LLC offers comprehensive Siemens servo drive repair services to get your equipment back up and running quickly. We understand the critical role servo drives play in your automation systems. Servo drives are essential components in various industrial applications, controlling the precise movement of motors in robotics, CNC machines, and other automated equipment. When a Siemens servo drive fails, it can lead to significant downtime and lost productivity. That's why Roc Industrial LLC provides fast, reliable, and expert Siemens servo drive repair services. With our extensive experience and state-of-the-art diagnostic equipment, we can accurately identify and resolve a wide range of servo drive issues. Trust Roc Industrial LLC as your trusted partner for all your Siemens servo drive repair needs. We offer free evaluations, warranty-backed repairs, and exceptional customer support.



About Siemens Servo Drives

Siemens is a global leader in industrial automation and digitalization, and their servo drives are renowned for their precision, reliability, and advanced features. Siemens servo drives are integral to a wide range of applications, from CNC machining and robotics to packaging and printing. These drives offer precise motor control, enabling high-performance automation in demanding industrial environments. Siemens servo drive families, such as SINAMICS and SIMOTION, are designed to meet the diverse needs of modern manufacturing, offering scalability, flexibility, and seamless integration with other Siemens automation components. Their reputation for quality and innovation has made them a preferred choice for industries worldwide.


Siemens servo drives are used extensively in industries such as automotive, aerospace, food and beverage, and pharmaceuticals. Their ability to provide precise and synchronized motion control makes them ideal for applications requiring high accuracy and repeatability. Siemens continuously invests in research and development to enhance the performance and functionality of their servo drives, ensuring they remain at the forefront of automation technology. Whether it's controlling the movement of a robotic arm or synchronizing multiple axes in a CNC machine, Siemens servo drives deliver the performance and reliability that industrial users demand.



Supported Models & Series

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

  • SINAMICS S120 Series

  • SINAMICS G120 Series

  • SIMOTION D Series

  • SIMODRIVE 611 Series

  • SIMODRIVE 611U Series

  • SINUMERIK 840D sl drive systems

  • Siemens Masterdrives

  • 6SN1118 Series

  • 6SN1123 Series

  • 6SN1145 Series

  • (Note: This is not an exhaustive list. Contact us with your specific model number.)


Common Siemens Servo Drive Problems We Repair

Siemens servo drives are known for their reliability, but like any electronic equipment, they can experience failures over time. Our experienced technicians are skilled at diagnosing and repairing a wide range of issues. Here are some common problems we address:

  • No Output: The servo drive fails to provide any power to the motor.

  • Overvoltage Errors: The drive detects excessive voltage levels.

  • Overcurrent Errors: The drive detects excessive current draw, potentially indicating a short circuit or motor issue.

  • Communication Errors: The drive loses communication with the controller or other devices on the network.

  • Overheating: The drive overheats, potentially due to a faulty cooling fan or excessive load.

  • Blown Fuses: Fuses within the drive blow, indicating an electrical fault.

  • Encoder Faults: Issues with the encoder signal, leading to inaccurate positioning or speed control.

  • Drive Inhibit Issues: The drive is unable to enable due to internal faults or external signals.

  • Power Supply Failures: Internal power supply components fail, preventing the drive from operating.

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

  • Software and Firmware Issues: Corrupted or outdated software/firmware causing operational problems.


Our Siemens Servo Drive Repair Process

Roc Industrial LLC follows a rigorous and proven process for Siemens servo drive repair to ensure the highest quality and reliability:

  1. Free Evaluation and Quote: We offer a free evaluation of your Siemens servo drive to determine the extent of the damage and provide you with a detailed repair quote.

  2. Shipping Instructions: Once you approve the quote, we provide clear and easy-to-follow shipping instructions to ensure your servo drive arrives safely at our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use state-of-the-art diagnostic equipment to pinpoint the root cause of the problem. We go beyond simply identifying the symptoms and delve deep into the internal workings of the drive.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. This approach allows us to address the specific issues without replacing the entire drive, saving you time and money.

  5. Load Testing and Quality Checks: After the repair, we subject the servo drive to rigorous load testing and quality checks to ensure it meets or exceeds original performance specifications. This includes simulating real-world operating conditions to verify its reliability.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. If you experience any issues after the repair, we're here to provide prompt and reliable support.


Nationwide Repair Services

Roc Industrial LLC provides Siemens servo drive repair services to customers nationwide. No matter where you are located, we can help you get your equipment back up and running quickly. We understand that downtime can be costly, so we offer fast shipping options and quick turnaround times.


We serve customers in major metro areas across the United States, including New York, Los Angeles, Chicago, Houston, and Dallas. Our streamlined repair process and efficient logistics ensure that your Siemens servo drive is repaired and returned to you as quickly as possible. Contact us today to learn more about our nationwide repair services.



Why Choose Roc Industrial LLC?

When it comes to Siemens servo drive repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: With over three decades of experience in industrial electronics repair, we have the knowledge and expertise to handle even the most complex Siemens servo drive issues.

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

  • Thousands of Parts in Stock: We maintain a large inventory of Siemens servo drive components, allowing us to expedite repairs and minimize downtime.

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

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

  • 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 Siemens servo drive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are your trusted partner for Siemens servo drive repair and service.

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