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Emerson Control Techniques Unidrive Repair

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.

Emerson Control Techniques Unidrive Repair Services by Roc Industrial LLC

Is your Emerson Control Techniques Unidrive malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Emerson Control Techniques Unidrive repair services. We understand the critical role these drives play in your operations, and our experienced technicians are dedicated to getting you back up and running quickly. With decades of experience and a commitment to quality, Roc Industrial LLC is your trusted partner for all your Unidrive repair needs.



About Emerson Control Techniques Unidrive

Emerson Control Techniques is a globally recognized leader in the design and manufacture of variable speed drives. Their Unidrive family represents a versatile and high-performance range of AC drives used in a wide array of industrial applications. Known for their robust design, advanced control capabilities, and energy efficiency, Unidrives are essential components in modern automation systems.


These drives are commonly found in industries such as manufacturing, material handling, packaging, and HVAC, where precise motor control is paramount. Emerson Control Techniques Unidrives are designed to optimize performance, reduce energy consumption, and enhance the overall efficiency of industrial processes. Their adaptability and advanced features make them a preferred choice for demanding applications requiring reliable and precise motor control. Roc Industrial LLC has extensive experience repairing and servicing these critical components.



Supported Models & Series

We repair a wide range of Emerson Control Techniques Unidrive models and series, including but not limited to:

  • Unidrive M Series (M100, M200, M300, M400, M600, M700)

  • Unidrive SP Series

  • Commander SK Series

  • Digitax HD Series

  • Affinity Series

  • E200 Series

  • Mentor MP Series (DC Drives)

  • Focus Drive Series

  • Solutions Modules (SM-Applications, SM-Ethernet, SM-I/O)

This list is not exhaustive. Roc Industrial LLC has the expertise and resources to repair a vast selection of Emerson Control Techniques Unidrive models. Contact us to discuss your specific repair needs.



Common Emerson Control Techniques Unidrive Problems We Repair

Emerson Control Techniques Unidrives, like all electronic equipment, can experience failures over time. We understand the frustration and downtime these issues can cause. Here are some of the most common problems we repair:

  • No Output Voltage: The drive fails to provide the necessary voltage to the motor, preventing operation.

  • Overvoltage Faults: The drive detects excessive voltage levels, triggering a fault and shutting down.

  • Overcurrent Faults: The drive detects excessive current draw, indicating a potential motor or wiring issue.

  • Communication Errors: The drive loses communication with the control system, preventing proper operation and monitoring.

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

  • Blown Fuses: Internal fuses blow due to power surges, component failures, or other electrical issues.

  • Encoder Faults: Issues with the encoder feedback signal, leading to inaccurate motor control.

  • IGBT Failures: Insulated Gate Bipolar Transistor (IGBT) failures, a common issue in power electronics.

  • DC Bus Capacitor Failures: Degradation or failure of the DC bus capacitors, affecting drive performance and stability.

  • Display Issues: Faulty or unreadable displays hindering diagnostics and operation.

  • Parameter Corruption: Loss or corruption of drive parameters, leading to incorrect operation.


Our Emerson Control Techniques Unidrive Repair Process

Roc Industrial LLC follows a rigorous and comprehensive repair process to ensure the highest quality and reliability. Here's a step-by-step breakdown of our process:

  1. Free Evaluation and Quote: Contact us with details about your faulty Emerson Control Techniques Unidrive. We offer a free evaluation 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 concise shipping instructions to ensure your Unidrive arrives safely at our repair facility. We can also arrange for pickup in certain areas.

  3. Diagnosis Using Specialized Test Equipment: Our experienced technicians utilize advanced diagnostic tools and techniques to pinpoint the root cause of the problem. We thoroughly inspect all components and circuits to identify any underlying issues.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements. We source components from trusted suppliers to ensure optimal performance and longevity.

  5. Load Testing and Quality Checks: After the repair is complete, we subject the Unidrive to rigorous load testing to simulate real-world operating conditions. This ensures that the drive performs flawlessly under stress and meets all performance specifications. We also conduct thorough quality checks to verify the integrity of the repair.

  6. Warranty-Backed Return and Support: We stand behind our work with a comprehensive warranty. Your repaired Emerson Control Techniques Unidrive is carefully packaged and returned to you promptly. Our dedicated customer support team is available to answer any questions and provide ongoing assistance.


Nationwide Repair Services

Roc Industrial LLC provides Emerson Control Techniques Unidrive repair services to customers nationwide. Whether you're located in New York, Los Angeles, Chicago, Houston, Dallas, or any other city across the United States, we can help. We offer fast shipping options and quick turnaround times to minimize downtime and get your operations back on track as soon as possible.


We understand the urgency of industrial repairs and strive to provide the fastest and most efficient service possible. Our streamlined processes and experienced team allow us to deliver exceptional repair services regardless of your location. Contact Roc Industrial LLC today to discuss your Emerson Control Techniques Unidrive repair needs.



Why Choose Roc Industrial LLC?

When it comes to Emerson Control Techniques Unidrive 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 Unidrive issues.

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

  • Thousands of Parts in Stock: Our extensive inventory of components allows us to expedite repairs and minimize downtime.

  • Fast Turnaround, Often Same-Day: We understand the importance of minimizing downtime and 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: Our dedicated customer support team is available to answer your questions and provide ongoing assistance throughout the repair process. We pride ourselves on providing excellent communication and responsive service.

  • Free Evaluations: We offer free evaluations to accurately assess the damage and provide transparent repair quotes.

Don't let a faulty Emerson Control Techniques Unidrive slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable repair. We are committed to providing the highest quality Emerson Control Techniques Unidrive repair services to keep your business running smoothly. Our expertise and dedication to customer satisfaction make us the ideal partner for all your industrial electronics repair needs. Choose Roc Industrial LLC for reliable and efficient Emerson Control Techniques Unidrive repair services.

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