ISO-certified repairs with a 2-year warranty — technician-verified quotes within 24 hours, nationwide.
Product Description
The Mitsubishi MR-J2-100AA28 is a CE-certified, 1 kW position controller designed for precise industrial automation, operating on 200-230V 3-phase AC at 50/60 Hz. It weighs 3.98 pounds, functions reliably between 0-55C (storage: -20 to 65C), and tolerates up to 90% non-condensing humidity.
Is Your Device Showing These Signs?
The Mitsubishi MR-J2-100AA28 servo drive commonly experiences issues such as blown fuses due to overcurrent faults stemming from motor shorts or excessive load. Technicians frequently address problems with the IPM (Intelligent Power Module) resulting in drive failure and requiring replacement. Communication errors, often related to faulty encoder feedback or damaged CN1 connectors, are resolved through cable repair or encoder replacement. Parameter corruption within the EEPROM necessitates reprogramming, and overheating issues are mitigated by fan replacement or addressing environmental factors causing thermal overload.
Technical specifications
The Mitsubishi MR-J2-100AA28 is a CE-certified 1kW position controller for industrial automation, operating on 200-230V 3-phase AC. It weighs 3.98 pounds and functions in 0-55C temperatures with up to 90% humidity.
Our Repair Process for the
MR-J2-100AA28
Our repair process for the Mitsubishi MR-J2-100AA28 servo drive begins with a comprehensive evaluation to pinpoint the failure. Technicians address blown fuses by identifying and rectifying the root cause, such as motor shorts or excessive load. IPM failures are resolved through complete module replacement. Communication errors are corrected by repairing or replacing faulty encoder cables, CN1 connectors, or the encoder itself. Parameter corruption is rectified by reprogramming the EEPROM. Overheating problems are resolved by replacing the cooling fan or addressing external factors contributing to thermal overload.
Your Guarantee: Warranty & Lifetime Support
Your satisfaction is our top priority, and we confidently stand behind the quality of our repairs. That's why every repair service is covered by our comprehensive 24-month warranty. Furthermore, we offer lifetime phone support – if you have questions or need assistance related to our repair down the road, we're here to help. Our service commitment is straightforward: we guarantee our work, and if you're not satisfied, we will make it right. Learn More about our Repair process.
Comprehensive Repairs You Can Depend On
We take immense pride in the quality and reliability of our work. Our process goes beyond simply fixing the immediate problem. We perform a comprehensive inspection of your main board (or other equipment) and proactively replace components known to be failure-prone or showing signs of potential future failure. Before any item is returned, it undergoes rigorous functional testing to ensure it meets performance specifications and operates flawlessly. Visit our main Repair Services page to learn more.
Save Significantly
Our primary goal is to save you hundreds, or even thousands, of dollars compared to the cost of new equipment replacement. By repairing existing components, we provide an economical solution that is also eco-friendly. At Roc Industrial, our commitment to integrity and community drives our consistent growth and ensures you receive a reliable, cost-effective solution.


Please Note: Roc Industrial operates as an independent service provider and is not an authorized distributor for the manufacturers or brands mentioned. Consequently, the original manufacturer's warranty is not applicable to items repaired or sold by us. Roc Industrial provides its own 2-year warranty on all repair services performed.
Buying Options
To receive a quote within 2 hours, please provide us with the details of your requirements. Our team will promptly review your request and send you a custom offer.
Ships from Rochester, NY