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Servo amplifier inverter rebuild service

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 Sinamics Servo Amplifier Inverter Rebuild Service

Is your Siemens Sinamics servo amplifier inverter malfunctioning, causing downtime and impacting your production? Roc Industrial LLC offers comprehensive Siemens Sinamics servo amplifier inverter rebuild service, providing a cost-effective alternative to expensive replacements. We specialize in fast, reliable repairs, leveraging our extensive expertise and state-of-the-art equipment to get your equipment back up and running quickly. Trust Roc Industrial LLC for all your Siemens Sinamics servo drive repair needs.



About Siemens Sinamics Servo Amplifiers

Siemens Sinamics is a leading family of servo drive systems known for their performance, flexibility, and integration capabilities. These servo amplifiers are integral components in a wide range of industrial automation applications, including CNC machines, robotics, packaging equipment, and printing presses. Siemens Sinamics drives are designed to provide precise motor control, ensuring optimal efficiency and productivity. Their robust design and advanced features make them a popular choice for demanding industrial environments.


However, even the most reliable equipment can experience failures over time. When your Siemens Sinamics servo amplifier inverter encounters issues, it's crucial to have a trusted repair partner who understands the intricacies of these complex systems. Roc Industrial LLC has years of experience servicing and repairing Siemens Sinamics servo drives, offering comprehensive solutions to minimize downtime and maximize the lifespan of your equipment. We understand the critical role these drives play in your operations, and we are committed to providing fast, reliable, and cost-effective repair services.



Supported Models & Series

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

  • Sinamics S120 Series: Including CU320, CU310, and associated power modules

  • Sinamics G120 Series: Including CU250S-2, CU240E-2, and PM240 power modules

  • Sinamics V90 Series: Complete servo drive systems

  • Sinamics S110 Series: Compact servo drives

  • 6SL3120 (Various Models): Power Modules and Control Units

  • 6SL3055 (Various Models): Option Modules

  • Specific Model Examples: 6SL3120-1TE21-0AA3, 6SL3055-0AA00-5AA3, 6SL3210-5BE21-0UV0

  • Drive-Cliq Components: Encoders, sensors, and communication modules

  • Older Sinamics Generations: Including Simodrive 611 and 611U series (limited availability, contact us for details)


Common Siemens Sinamics Problems We Repair

Siemens Sinamics servo amplifiers are complex electronic devices, and a variety of issues can arise that require professional repair. Our experienced technicians are equipped to diagnose and repair a wide range of common failures.

  • No Output/Dead Drive: The drive fails to power on or provide any output to the motor.

  • Overvoltage/Overcurrent Faults: The drive trips due to excessive voltage or current levels.

  • Communication Errors: The drive loses communication with the PLC or other control systems (Profibus, Profinet, Ethernet).

  • Overheating: The drive overheats and shuts down, often due to fan failure or component degradation.

  • Blown Fuses/Tripped Breakers: Repeated fuse failures indicate a more serious underlying problem.

  • Encoder Faults: Errors related to the motor encoder, affecting positioning accuracy.

  • DC Link Issues: Problems with the DC link capacitor bank, leading to instability.

  • IGBT Failures: Damage to the Insulated Gate Bipolar Transistors (IGBTs) responsible for power switching.

  • Software/Firmware Corruption: Issues with the drive's operating software.

  • Motor Stalling: The motor fails to rotate or stalls under load.

  • Positioning Errors: Inaccurate or inconsistent positioning of the motor.

  • Drive Parameter Issues: Incorrect or corrupted drive parameters affecting performance.


Our Siemens Sinamics Repair Process

Roc Industrial LLC follows a rigorous and proven repair process to ensure the highest quality Siemens Sinamics servo amplifier inverter rebuild service. Our process is designed to identify the root cause of the problem, implement effective repairs, and thoroughly test the drive to guarantee reliable performance.

  1. Free Evaluation and Quote: Contact us with details about your Siemens Sinamics servo drive issue. We offer a free evaluation to assess the damage and provide you with a detailed repair quote.

  2. Shipping Instructions: Once you approve the quote, we will provide clear shipping instructions to ensure your drive arrives safely at our repair facility. We can also arrange for pickup in certain areas.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use advanced diagnostic tools and techniques to pinpoint the exact cause of the failure. We perform thorough testing of all critical components.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We stock thousands of parts to ensure fast turnaround times.

  5. Load Testing and Quality Checks: After the repair, we subject the drive to rigorous load testing to simulate real-world operating conditions. This ensures that the drive performs reliably under load. We also conduct thorough quality checks to verify that all repairs meet our strict standards.

  6. Warranty-Backed Return and Support: All of our Siemens Sinamics servo amplifier inverter rebuild services are backed by a comprehensive warranty. We also provide ongoing technical support to ensure your complete satisfaction.


Nationwide Repair Services

Roc Industrial LLC provides Siemens Sinamics servo amplifier inverter repair services to customers nationwide. We understand that downtime can be costly, so we offer fast shipping options and quick turnaround times to minimize disruption to your operations. Whether you are located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city in the United States, we are here to help.


We have established efficient logistics processes to ensure that your Siemens Sinamics servo drive arrives safely and is returned to you promptly after repair. Our team is dedicated to providing exceptional customer service and support throughout the entire repair process.



Why Choose Roc Industrial LLC?

When it comes to Siemens Sinamics servo amplifier inverter repair, Roc Industrial LLC offers a distinct advantage:

  • 30+ Years of Experience: We have decades of experience repairing industrial electronic equipment, including Siemens Sinamics servo drives.

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

  • Thousands of Parts in Stock: We maintain a large inventory of Siemens Sinamics parts to ensure fast turnaround times.

  • Fast Turnaround, Often Same-Day: We understand the urgency of getting your equipment back up and running, and we offer expedited repair services.

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

  • Exceptional Customer Support: Our team is dedicated to providing exceptional customer service and support throughout the entire repair process.

Don't let a faulty Siemens Sinamics servo amplifier slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Siemens Sinamics servo amplifier inverter rebuild service.

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