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Mitsubishi inverter same-day rebuild

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.

Mitsubishi Inverter Repair Services by Roc Industrial LLC

Is your Mitsubishi inverter malfunctioning and causing downtime? Roc Industrial LLC specializes in providing fast, reliable, and expert Mitsubishi inverter repair services. We understand the critical role these inverters play in your operations, and we're committed to getting them back up and running as quickly as possible. With decades of experience and a team of highly skilled technicians, Roc Industrial LLC is your trusted partner for all your Mitsubishi inverter repair needs. We offer comprehensive repair solutions, from component-level troubleshooting to complete inverter rebuilds, ensuring your equipment operates at peak performance. Our commitment to quality, speed, and customer satisfaction sets us apart as the leading Mitsubishi inverter repair provider.



About Mitsubishi Inverters

Mitsubishi Electric is a globally recognized leader in industrial automation, and their inverters are renowned for their reliability, performance, and advanced features. Mitsubishi inverters are used in a wide range of applications, from controlling motors in manufacturing plants to powering pumps and fans in HVAC systems. They are designed to provide precise motor control, energy efficiency, and protection against overloads and other electrical faults. Mitsubishi offers a diverse portfolio of inverters, catering to various power requirements and application needs.


These inverters are integral to numerous industries, including CNC machining, robotics, automation, and general manufacturing. Their robust design and advanced control algorithms make them a preferred choice for demanding applications where precision and reliability are paramount. However, like any electronic equipment, Mitsubishi inverters can experience failures over time due to component aging, environmental factors, or improper usage. When this happens, a reliable repair service is essential to minimize downtime and keep your operations running smoothly.



Supported Models & Series

We repair a wide range of Mitsubishi inverter models and series, including but not limited to:

  • FR-A Series: FR-A800, FR-A700, FR-A500

  • FR-E Series: FR-E700, FR-E800

  • FR-F Series: FR-F800, FR-F700

  • FR-D Series: FR-D700, FR-D800

  • FR-S Series: FR-S500

  • FR-V Series: FR-V500

  • FR-A740 Series

  • FR-E740 Series

  • FR-F740 Series

  • FR-D740 Series

This is not an exhaustive list. Contact us with your specific Mitsubishi inverter model for repair services.



Common Mitsubishi Inverter Problems We Repair

Mitsubishi inverters are generally reliable, but they can experience various issues that require professional repair. We address a wide array of problems to ensure your inverters are functioning optimally.

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

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

  • Communication Errors: The inverter is unable to communicate with the control system or other devices.

  • Overheating: The inverter's temperature exceeds safe operating limits, leading to shutdown.

  • Blown Fuses: Internal fuses blow due to component failures or electrical surges.

  • Encoder Faults: Issues with the encoder feedback signal, affecting motor control accuracy.

  • Drive not responding to commands

  • Inverter displaying error codes

  • Motor running erratically

  • Power supply failures within the inverter


Our Mitsubishi Inverter Repair Process

Roc Industrial LLC follows a meticulous repair process to ensure the highest quality and reliability of our Mitsubishi inverter repairs:

  1. Free Evaluation and Quote: We offer a free evaluation of your Mitsubishi inverter to determine the extent of the damage and provide a detailed repair quote.

  2. Shipping Instructions: We provide clear instructions on how to safely package and ship your inverter to our repair facility.

  3. Diagnosis Using Specialized Test Equipment: Our technicians use advanced diagnostic tools and techniques to pinpoint the root cause of the inverter's failure.

  4. Component-Level Repair and Replacement: We perform component-level repairs, replacing faulty components with high-quality replacements.

  5. Load Testing and Quality Checks: After the repair, we rigorously load test the inverter to ensure it meets or exceeds original performance specifications. We conduct thorough quality checks to verify proper operation and reliability.

  6. Warranty-Backed Return and Support: All our Mitsubishi inverter repairs are backed by a comprehensive warranty. We also provide ongoing technical support to address any questions or concerns you may have.


Nationwide Repair Services

Roc Industrial LLC provides Mitsubishi inverter repair services to customers nationwide. Whether you're located in a major metropolitan area or a remote industrial site, we can help. We serve customers in major cities such as New York, Los Angeles, Chicago, Houston, and Dallas, as well as countless other locations across the country.


We understand the importance of minimizing downtime, which is why we offer fast shipping options and quick turnaround times. Our goal is to get your Mitsubishi inverters back in operation as quickly as possible, regardless of your location. Contact us today to learn more about our nationwide repair services and how we can help you keep your operations running smoothly.



Why Choose Roc Industrial LLC?

When it comes to Mitsubishi inverter repair, Roc Industrial LLC offers several key advantages:

  • 30+ Years of Experience: We have decades of experience in repairing industrial electronic equipment, including Mitsubishi inverters.

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

  • Thousands of Parts in Stock: We maintain a large inventory of Mitsubishi inverter parts, enabling us to perform repairs quickly and efficiently.

  • Fast Turnaround, Often Same-Day: We understand the urgency of your repair needs and strive to provide the fastest possible turnaround times, often offering same-day service for critical repairs.

  • 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 assistance throughout the repair process.

Don't let a faulty Mitsubishi inverter slow down your operations. Contact Roc Industrial LLC today for a free evaluation and fast, reliable Mitsubishi inverter repair. We are committed to providing the highest quality repair services to keep your equipment running smoothly and efficiently.

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