Product Description
The Fanuc A20B-1000-0651 is a robust and essential printed circuit board assembly integral to the reliable operation of Fanuc CNC systems. This meticulously engineered board provides critical functionality, supporting axis control, servo motor operation, and feedback processing within the machine tool. Its durable construction and high-quality components ensure consistent performance and extended operational lifespan, minimizing downtime and maximizing productivity in demanding industrial environments. The A20B-1000-0651 undergoes rigorous testing to meet stringent quality standards, guaranteeing seamless integration and dependable service within compatible Fanuc control systems. It is a direct replacement part, designed for straightforward installation and immediate restoration of machine functionality, contributing to the overall efficiency and precision of automated manufacturing processes. This board is a vital component for maintaining the accuracy and responsiveness of your Fanuc-controlled machinery.
Is Your Device Showing These Signs?
A20B-1000-0651 malfunctions typically manifest as Fanuc CNC system errors stemming from memory corruption, axis control failures, or communication breakdowns. Technicians address these issues through PROM replacement, SRAM restoration, and thorough diagnostics of the servo amplifier interface. Resolving parameter loss, addressing spindle drive faults, and rectifying issues related to the I/O module are common procedures. The repair process includes rigorous testing to ensure optimal performance and system stability.
Technical specifications
The Fanuc A20B-1000-0651 is a robust and essential printed circuit board assembly integral to the Fanuc Series 15/16/18 control systems, providing critical functionality for machine tool operation. This axis control board manages servo motor control, feedback processing, and position loop calculations, ensuring precise and reliable axis movement. Incorporating advanced digital signal processing (DSP) capabilities, the A20B-1000-0651 executes complex motion profiles and maintains tight tolerances in demanding machining applications. Diagnostic features are built into the board, facilitating efficient troubleshooting and minimizing downtime through comprehensive error detection and reporting. The A20B-1000-0651 is designed for industrial environments, exhibiting high resistance to electrical noise, temperature variations, and mechanical vibrations, guaranteeing stable performance and extended operational lifespan. This board is a direct replacement for existing systems requiring this specific part number, ensuring compatibility and seamless integration without modification.
Our Repair Process for the
A20B-1000-0651
Our repair process for A20B-1000-0651 malfunctions begins with identifying Fanuc CNC system errors related to memory corruption, axis control failures, or communication breakdowns. Technicians proceed with PROM replacement, SRAM restoration, and comprehensive diagnostics of the servo amplifier interface. Parameter loss is resolved, spindle drive faults are addressed, and issues pertaining to the I/O module are rectified. The process concludes with rigorous testing to guarantee optimal performance and system stability.
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