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Toshiba servo amplifier troubleshooting and refurbishment

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.

Toshiba Servo Amplifier Repair and Refurbishment Services

Is your Toshiba servo amplifier malfunctioning and disrupting your critical operations? Roc Industrial LLC specializes in providing fast, reliable, and cost-effective Toshiba servo amplifier repair services. We understand the importance of minimizing downtime, and our team of experienced technicians is dedicated to getting your equipment back up and running quickly. With decades of experience, state-of-the-art diagnostic equipment, and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Toshiba servo amplifier repair needs.



About Toshiba Servo Amplifiers

Toshiba is a globally recognized leader in industrial automation, and their servo amplifiers are integral components in a wide range of applications. Known for their precision, reliability, and advanced control capabilities, Toshiba servo amplifiers are commonly found in CNC machines, robotics, packaging equipment, and various other automated systems. These amplifiers are designed to provide precise control over servo motors, ensuring accurate and efficient operation of complex machinery. Toshiba servo amplifiers are built to withstand demanding industrial environments, but like all electronic equipment, they are susceptible to failure over time due to wear and tear, electrical surges, or environmental factors.


Toshiba servo amplifiers are renowned for their robust design and advanced features. They offer a variety of control modes, including position, velocity, and torque control, allowing for flexible integration into diverse applications. The amplifiers also incorporate sophisticated protection features to prevent damage from overcurrent, overvoltage, and overheating. However, even with these protective measures, failures can occur, leading to costly downtime and production losses. Roc Industrial LLC has extensive experience in repairing and refurbishing a wide range of Toshiba servo amplifier models, ensuring that your equipment is restored to its original performance specifications.



Supported Models & Series

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

  • Toshiba TAC Series Servo Amplifiers

  • Toshiba TOSVERT Series Servo Drives

  • Toshiba SX Series Servo Amplifiers

  • Toshiba BX Series Servo Amplifiers

  • Toshiba LX Series Servo Amplifiers

  • Toshiba Mini Series Servo Amplifiers

  • Toshiba SG Series Servo Amplifiers

  • Toshiba Digital Servo Amplifiers (various models)

  • GS1 Series

  • GS2 Series

  • GS3 Series

  • GS5 Series

If you don't see your specific model listed, please contact us. Our capabilities extend to many other Toshiba servo amplifier models and custom configurations.



Common Toshiba Servo Amplifier Problems We Repair

Customers often experience a variety of issues with their Toshiba servo amplifiers. These problems can range from minor malfunctions to complete failures, disrupting production and causing significant downtime. Roc Industrial LLC is equipped to diagnose and repair a wide range of common Toshiba servo amplifier problems.

  • No Output: The amplifier fails to provide any power to the servo motor, resulting in complete system failure.

  • Overvoltage Errors: The amplifier detects an overvoltage condition and shuts down to protect itself and the motor.

  • Overcurrent Errors: The amplifier detects an overcurrent condition, often caused by a short circuit or motor fault.

  • Communication Errors: The amplifier fails to communicate with the control system, preventing proper operation.

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

  • Blown Fuses: Fuses blow repeatedly, indicating a short circuit or other electrical fault within the amplifier.

  • Encoder Faults: The amplifier detects errors in the encoder feedback signal, leading to inaccurate motor control.

  • Positioning Errors: The servo motor fails to accurately reach the commanded position.

  • Velocity Fluctuations: The servo motor exhibits erratic speed variations.

  • Torque Instability: The servo motor experiences unstable torque output.

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

  • Drive Enable Issues: The drive enable signal is not functioning, preventing the amplifier from powering the motor.

  • Dead on Arrival (DOA): The amplifier fails immediately upon installation or power-up.

  • Intermittent Operation: The amplifier functions sporadically, making it difficult to diagnose the root cause of the problem.


Our Toshiba Servo Amplifier Repair Process

Roc Industrial LLC follows a comprehensive and rigorous repair process to ensure that your Toshiba servo amplifier is restored to optimal performance. Our process is designed to identify the root cause of the failure, implement effective repairs, and thoroughly test the amplifier to ensure its reliability.

  1. Free Evaluation and Quote: We offer a free evaluation of your Toshiba servo amplifier to determine the extent of the damage and provide you with a detailed repair quote. This quote includes a breakdown of the estimated costs for parts, labor, and testing.

  2. Shipping Instructions: Once you approve the quote, we provide you with clear and concise shipping instructions to ensure that your amplifier arrives safely at our repair facility. We recommend using a reputable shipping carrier and properly packaging the amplifier to prevent further damage during transit.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians use state-of-the-art diagnostic equipment to thoroughly analyze your Toshiba servo amplifier. We perform a series of tests to identify the faulty components and determine the underlying cause of the failure. This includes checking all critical circuits, power supplies, and control components.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. Our technicians are skilled in soldering, desoldering, and other advanced repair techniques. We use only genuine or equivalent components to ensure the reliability and longevity of the repair.

  5. Load Testing and Quality Checks: After the repairs are completed, we subject the Toshiba servo amplifier to rigorous load testing to simulate real-world operating conditions. This ensures that the amplifier can handle the demands of your application. We also perform a series of quality checks to verify that all functions are working correctly and that the amplifier meets our strict performance standards.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. If you experience any issues with the repaired Toshiba servo amplifier within the warranty period, we will provide prompt and effective support to resolve the problem. We are committed to ensuring your complete satisfaction with our repair services.


Nationwide Repair Services

Roc Industrial LLC provides Toshiba servo amplifier repair services to customers nationwide. We understand that downtime can be costly, and we are committed to providing fast and efficient repair services 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 can help.


We offer fast shipping options and quick turnaround times to get your Toshiba servo amplifier back in operation as quickly as possible. Our experienced technicians are available to provide technical support and answer any questions you may have. We are dedicated to providing exceptional customer service and ensuring your complete satisfaction with our repair services.



Why Choose Roc Industrial LLC?
  • 30+ Years of Experience: With over three decades of experience in industrial electronic repair, we have the knowledge and expertise to handle even the most complex Toshiba servo amplifier repairs.

  • Warranty-Backed Repairs: We stand behind our work with a comprehensive warranty, giving you peace of mind knowing that your repair is protected.

  • Thousands of Parts in Stock: We maintain a large inventory of Toshiba servo amplifier parts, allowing us to complete repairs quickly and efficiently.

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

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

  • Exceptional Customer Support: We are committed to providing exceptional customer support, and our team is available to answer any questions you may have.

Don't let a faulty Toshiba servo amplifier slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair.

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