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Product Description
The Fanuc A02B-0099-C136 is a robust and reliable main printed circuit board designed for seamless integration within Fanuc CNC systems. This essential component facilitates the central processing and coordination of machine tool operations, ensuring precise control over axis movements, spindle speeds, and auxiliary functions. Engineered for durability and longevity, the A02B-0099-C136 undergoes rigorous testing to guarantee optimal performance and minimize downtime. It supports a wide range of machine tool applications, delivering consistent and accurate results in demanding industrial environments. This board is a critical element for maintaining the efficiency and productivity of your Fanuc-controlled machinery, providing a stable and dependable foundation for complex manufacturing processes. Its advanced circuitry and robust construction contribute to enhanced system stability and reduced risk of operational errors. The A02B-0099-C136 is a proven solution for optimizing the performance and extending the lifespan of your valuable CNC equipment.
Is Your Device Showing These Signs?
A02B-0099-C136 is a FANUC Main Board that commonly experiences issues such as corrupted CMOS data, requiring CMOS battery replacement and parameter re-initialization. We frequently address problems with the SRAM, necessitating memory module repair or replacement to resolve CNC machine operational failures. Intermittent communication errors are traced to faulty communication ICs, demanding component-level repair. Overheating issues arise from failed capacitors and thermal paste degradation, requiring capacitor replacement and heat sink maintenance. Axis drive malfunctions are often linked to damaged servo amplifier interfaces on the main board, which necessitates interface repair or board replacement.
Technical specifications
The Fanuc A02B-0099-C136 is a robust and reliable main printed circuit board designed for integration within Fanuc CNC systems, specifically targeting demanding industrial automation applications. This meticulously engineered board provides core processing power and control logic, directly impacting machine tool performance and operational efficiency. It features a high-speed processor, ample memory capacity for complex program storage, and multiple communication interfaces including serial, Ethernet, and Fieldbus options, ensuring seamless connectivity with peripheral devices and network infrastructure. The A02B-0099-C136 is constructed with durable components and undergoes rigorous testing to guarantee stable operation in harsh industrial environments, minimizing downtime and maximizing productivity. Its advanced diagnostic capabilities facilitate rapid troubleshooting and maintenance, contributing to reduced operational costs and extended system lifespan. This essential component is a critical element for maintaining optimal CNC system functionality and achieving superior machining precision.
Our Repair Process for the
A02B-0099-C136
Our repair process for the A02B-0099-C136 FANUC Main Board begins with a comprehensive diagnostic evaluation to pinpoint the failure. CMOS data corruption is corrected through CMOS battery replacement and parameter re-initialization. SRAM failures are addressed via memory module repair or replacement. Communication errors are resolved through component-level repair of faulty communication ICs. Overheating issues are mitigated by replacing failed capacitors and applying new thermal paste to the heat sink. Axis drive malfunctions stemming from damaged servo amplifier interfaces necessitate interface repair or complete board replacement.
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