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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.


Product Description
The Fanuc A02B-0299-C076#MS is a robust and reliable main system board meticulously engineered for seamless integration within Fanuc CNC systems, ensuring optimal performance and unwavering control over complex automated processes. This essential component facilitates precise communication and coordination between various machine elements, including servo amplifiers, spindle drives, and input/output modules, guaranteeing accurate execution of programmed instructions and maintaining consistent operational efficiency. The A02B-0299-C076#MS features advanced processing capabilities and ample memory capacity, enabling it to handle intricate machining tasks and manage extensive program libraries with ease, while its durable construction and rigorous testing procedures ensure long-lasting dependability in demanding industrial environments. This board is a critical investment for maintaining the productivity and precision of your Fanuc-controlled machinery, providing a stable and efficient foundation for your manufacturing operations.
Is Your Device Showing These Signs?
A02B-0299-C076#MS commonly experiences issues such as corrupted CMOS, necessitating CMOS replacement and parameter re-initialization. Backlash compensation errors and servo amplifier communication failures are frequent, demanding thorough diagnostics of the servo drives and associated cabling. Memory corruption within the SRAM module leads to program loss, requiring SRAM replacement and program reloading. Axis control malfunctions often stem from faulty axis control cards, mandating card repair or replacement and subsequent axis calibration. Overheating of the CPU board causes system instability, which is resolved through thermal paste reapplication and fan replacement.
Technical specifications
The Fanuc A02B-0299-C076#MS is a high-performance main system board engineered for seamless integration within Fanuc CNC systems, specifically designed to enhance processing speed and operational efficiency. This robust board features advanced memory architecture, ensuring rapid data access and execution of complex machining programs. It incorporates a dedicated processor optimized for real-time control, facilitating precise and responsive machine tool operation. The A02B-0299-C076#MS supports a wide array of communication protocols, enabling effortless connectivity with peripheral devices and network systems for comprehensive data management and remote monitoring. Its durable construction and rigorous testing guarantee reliable performance in demanding industrial environments, minimizing downtime and maximizing productivity. This main system board is a critical component for maintaining the optimal functionality and extending the lifespan of compatible Fanuc CNC machines, providing a stable and powerful platform for precision manufacturing.
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