ISO-certified repairs with a 2-year warranty — technician-verified quotes within 24 hours, nationwide.
Product Description
FANUC A02B-0222-C131#MAR: This main board is a critical component for your Fanuc CNC system, providing the central processing power and control logic necessary for seamless machine operation. It manages axis control, program execution, and communication with peripheral devices, ensuring precise and reliable performance in demanding industrial environments. The A02B-0222-C131#MAR is engineered for robust durability and extended service life, contributing to minimized downtime and maximized productivity. This board is essential for maintaining the optimal functionality of your Fanuc CNC machine and is a direct replacement part, guaranteeing compatibility and straightforward integration into existing systems. It facilitates efficient manufacturing processes and contributes to the overall accuracy and efficiency of your automated machining operations.
Is Your Device Showing These Signs?
A02B-0222-C131#MAR commonly experiences issues such as corrupted SRAM, requiring memory initialization or replacement. Backlash compensation parameters are often lost, leading to inaccurate positioning and necessitating recalibration. Axis drive errors occur due to faulty servo amplifiers or encoders, demanding thorough diagnostics and potential component replacement. The CPU can fail, resulting in a complete system halt, which mandates a CPU board repair or exchange. Furthermore, communication errors with peripheral devices are traced to faulty communication ICs or cabling, requiring inspection and repair.
Technical specifications
FANUC A02B-0222-C131#MAR is a high-performance main board designed for demanding industrial automation applications, providing robust control and seamless integration within Fanuc CNC systems. This board features advanced processing capabilities, extensive memory capacity, and a comprehensive suite of communication interfaces, ensuring reliable and efficient operation across a wide range of machining and robotic tasks. The A02B-0222-C131#MAR supports complex algorithms, high-speed data acquisition, and real-time processing, enabling precise motion control, enhanced accuracy, and optimized cycle times. Its durable construction and rigorous testing guarantee long-term reliability and stability in harsh industrial environments, minimizing downtime and maximizing productivity. The board's compatibility with various Fanuc CNC models and peripheral devices facilitates easy integration and expansion, making it a dependable solution for both new installations and system upgrades. It delivers superior performance and advanced functionality, solidifying its position as a critical component in advanced automation systems.
Our Repair Process for the
A02B-0222-C131#MAR
Our repair process for A02B-0222-C131#MAR units begins with a comprehensive diagnostic evaluation to pinpoint the root cause of the reported issue. For corrupted SRAM, memory initialization or replacement is performed, followed by rigorous testing to ensure data integrity. Lost backlash compensation parameters are addressed through precise recalibration procedures, restoring accurate positioning. Axis drive errors necessitate a thorough inspection of servo amplifiers and encoders, with faulty components replaced and drive systems recalibrated. CPU failures require immediate CPU board repair or exchange, ensuring a fully functional system. Communication errors are resolved through meticulous inspection and repair of faulty communication ICs or cabling, guaranteeing seamless communication with peripheral devices. Each repair undergoes stringent quality control checks before the unit is returned, ensuring optimal performance and reliability.
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