Product Description
The Fanuc A08B-0084-D400 is a robust and reliable servo amplifier module engineered for demanding industrial automation applications. This unit delivers precise motor control, ensuring optimal performance and accuracy in robotic systems and CNC machinery. Its advanced design incorporates sophisticated feedback mechanisms and diagnostic capabilities, facilitating efficient troubleshooting and minimizing downtime. The A08B-0084-D400 features a durable construction built to withstand harsh industrial environments, guaranteeing long-term operational stability. It is a critical component for maintaining the integrity and productivity of automated manufacturing processes, providing consistent and dependable power amplification for servo motors. This amplifier is essential for achieving high levels of precision and repeatability in complex motion control tasks.
Is Your Device Showing These Signs?
A08B-0084-D400 Fanuc Servo Amplifier Module issues commonly involve blown fuses due to excessive current draw, often resulting from a short circuit within the servo motor or damaged power transistors. Overheating is a frequent problem, stemming from a failed cooling fan or obstructed heat sink, leading to thermal overload errors. Communication errors arise from corrupted firmware, damaged encoder feedback cables, or a faulty serial communication interface. Technicians address these issues through component-level repairs, including replacing faulty transistors, rectifying damaged capacitors, and reprogramming the firmware to restore optimal functionality.
Technical specifications
The Fanuc A08B-0084-D400 is a robust and reliable AC servo amplifier module engineered for demanding industrial automation applications. This unit delivers precise motor control and enhanced performance within Fanuc CNC systems. It features advanced digital signal processing for superior accuracy and responsiveness, ensuring smooth and efficient operation of servo motors. The A08B-0084-D400 incorporates comprehensive protection circuits against overcurrent, overvoltage, and overheating, guaranteeing operational safety and minimizing downtime. Its compact design facilitates easy integration into existing control cabinets, while its durable construction ensures long-term reliability in harsh industrial environments. This amplifier module is a critical component for achieving high-precision motion control in a wide range of manufacturing processes, contributing to increased productivity and improved product quality. It is designed for seamless compatibility with Fanuc servo motors, providing optimal performance and simplified system integration. The A08B-0084-D400 is a proven solution for demanding applications requiring precise and dependable servo control.
Our Repair Process for the
A08B-0084-D400
Our repair process for the A08B-0084-D400 Fanuc Servo Amplifier Module begins with a thorough diagnosis to pinpoint the root cause of the failure, whether it is blown fuses from excessive current, overheating issues, or communication errors. Technicians then proceed with component-level repairs, which include replacing damaged power transistors, rectifying faulty capacitors, and addressing any short circuits within the servo motor. Overheating problems are resolved by replacing failed cooling fans or clearing obstructed heat sinks. Communication errors are corrected by reprogramming the firmware and repairing or replacing damaged encoder feedback cables or faulty serial communication interfaces. The module undergoes rigorous testing to ensure it meets original performance specifications before it is returned.
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.
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