ISO-certified repairs with a 2-year warranty — technician-verified quotes within 24 hours, nationwide.
Product Description
The Fanuc A20B-8101-0710 is a robust and essential component designed for seamless integration within Fanuc CNC systems. This printed circuit board offers reliable performance and precise control, ensuring optimal operation of your machinery. It is engineered to withstand demanding industrial environments, providing consistent and dependable functionality. The A20B-8101-0710 facilitates efficient communication and data processing, contributing to enhanced productivity and reduced downtime. This board is a critical element for maintaining the accuracy and stability of your CNC equipment, guaranteeing long-term operational excellence. It is a direct replacement part, rigorously tested to meet stringent quality standards, and is guaranteed to restore your system to its original specifications.
Is Your Device Showing These Signs?
A20B-8101-0710 malfunctions typically stem from memory corruption, requiring PROM replacement or data restoration. Axis control problems are traced to faulty servo amplifiers or encoder feedback issues, demanding component-level repairs or complete unit replacement. Overheating leads to premature component failure, necessitating thermal management improvements and hardware refurbishment. Communication errors arise from corrupted firmware or damaged communication ports, fixed through firmware updates or port repair. Power supply failures are addressed by replacing capacitors, rectifiers, or the entire power supply unit, ensuring stable voltage delivery.
Technical specifications
The Fanuc A20B-8101-0710 is a robust and essential main printed circuit board (PCB) meticulously engineered for seamless integration within Fanuc CNC systems. This board serves as the central processing unit, orchestrating and managing the intricate operations of the machine tool. It is equipped with a high-performance processor, ample memory capacity, and a comprehensive suite of input/output interfaces, enabling precise control over servo motors, spindle drives, and auxiliary equipment. The A20B-8101-0710 facilitates advanced functionalities such as multi-axis interpolation, tool management, and real-time adaptive control, ensuring optimal machining accuracy and efficiency. Its durable construction and rigorous testing guarantee reliable performance in demanding industrial environments, minimizing downtime and maximizing productivity. This PCB is a critical component for maintaining the operational integrity and extending the lifespan of compatible Fanuc CNC machines.
Our Repair Process for the
A20B-8101-0710
Our repair process for A20B-8101-0710 malfunctions begins with a thorough diagnostic assessment to pinpoint the root cause. Memory corruption issues are resolved through PROM replacement or data restoration procedures. Axis control problems are corrected by repairing or replacing faulty servo amplifiers or addressing encoder feedback malfunctions. Overheating issues are mitigated through thermal management improvements and hardware refurbishment. Communication errors are rectified via firmware updates or communication port repairs. Power supply failures are resolved by replacing capacitors, rectifiers, or the entire power supply unit, guaranteeing stable voltage delivery.
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