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Brand | Fanuc |
Status | NEW/USED |
Warranty | 12 months/3 months |
Type | Drive control card A20B-2100-0800 |
High-precision control | Use advanced algorithms to achieve precise speed and position control and improve equipment performance. |
Efficient heat dissipation design | Optimize heat dissipation structure to ensure long-term stable operation and reduce failure rate. |
Modular integration | Compact design, easy to install and maintain, and supports flexible system expansion. |
The Fanuc A20B-2100-0800 circuit board is a key electronic module used in Fanuc CNC control systems to support stable machine operation and signal processing within the control unit. In CNC machining environments where precision and reliability are essential, the quality of the control electronics directly affects machine performance and uptime.
At FanucBuy, we supply 100% original brand new Fanuc A20B-2100-0800 boards, sourced from trusted channels and backed by a one-year warranty. These boards are suitable for replacing faulty components in CNC machines, restoring system stability, and minimizing production interruptions.
Choosing an original Fanuc PCB board ensures proper compatibility with the CNC controller and reduces the risk of operational faults caused by non-genuine replacement parts.
100% original Fanuc component
Brand new condition with factory-grade reliability
One-year warranty for added purchasing confidence
Designed for stable CNC control system operation
Supports high-precision industrial machining environments
Carefully inspected and securely packaged before shipment
Fanuc control boards are built to operate under continuous industrial workloads, including environments with vibration, temperature variation, and long production cycles.
| Specification | Details |
Product Name | Fanuc Circuit Board |
Part Number | A20B-2100-0800 |
Manufacturer | Fanuc |
Product Type | CNC Control PCB Board |
Condition | 100% Original Brand New |
Warranty | 1 Year |
Application | Fanuc CNC Control Systems |
Origin | Japan |
Availability | In Stock |
Shipping | Global Delivery |
The A20B-2100-0800 circuit board is typically installed inside the CNC control cabinet, where it plays an important role in internal communication and system coordination.
This board may be used in machines such as:
CNC machining centers
CNC turning centers
high-precision milling machines
automated production equipment
manufacturing lines integrated with CNC control
Reliable PCB boards are essential to ensure consistent machine accuracy, stable operation, and uninterrupted production cycles.
A failing CNC circuit board can cause several operational issues within the machine control system.
Typical signs include:
CNC system alarm messages related to control electronics
machine failing to start properly
unstable machine operation or unexpected shutdowns
communication errors between system modules
abnormal machine responses during machining cycles
If these symptoms appear frequently, maintenance engineers often inspect the control cabinet and verify the part number of the installed PCB board to determine the correct replacement.
Replacing a faulty board with the original A20B-2100-0800 can restore normal system functionality and prevent extended machine downtime.
Before purchasing a replacement circuit board, it is important to confirm compatibility with your CNC system.
Recommended verification steps include:
Checking the exact part number printed on the existing PCB board
Confirming the CNC controller model used by the machine
Reviewing board revision information or machine documentation
Fanuc board numbers typically follow this format:
A20B-XXXX-XXXX
If your original board is labeled A20B-2100-0800, then this product is the correct replacement.
If you are uncertain, our technical team can help confirm compatibility using machine information or board photos.
When replacing CNC electronics, the choice between original and third-party boards can significantly affect machine reliability.
guaranteed system compatibility
higher component quality and reliability
lower failure risk in industrial environments
longer operational lifespan
inconsistent electronic component quality
possible firmware or compatibility issues
higher risk of system instability
shorter service life
For critical production equipment, many manufacturers prefer original Fanuc spare parts to avoid unexpected machine downtime.
FanucBuy specializes in supplying Fanuc CNC spare parts to manufacturers, CNC service providers, and distributors worldwide.
Our product range includes:
Fanuc PCB circuit boards
Fanuc servo amplifiers
Fanuc spindle modules
Fanuc power supply units
Fanuc motors and encoders
Our experienced team understands Fanuc control system architecture, helping customers quickly identify the correct spare parts for machine repairs.
We provide efficient global delivery to help customers reduce CNC machine downtime.
Each board is carefully inspected and securely packaged to ensure safe transportation and reliable performance upon installation.
The A20B-2100-0800 PCB board functions as an electronic control module inside the CNC controller. It processes signals, manages internal communication between system components, and ensures that the machine executes commands from the CNC program accurately.
Fanuc control boards are designed for long-term industrial use and often operate for many years. However, lifespan may be affected by factors such as:
excessive heat inside the control cabinet
electrical surges or power fluctuations
dust and humidity exposure
continuous high-load machine operation
Proper maintenance of the CNC control cabinet can help extend the service life of electronic components.
For trained CNC technicians, replacing a circuit board is typically a straightforward process.
The usual procedure involves:
powering down the machine
removing the faulty board
installing the replacement board
restarting the system and verifying operation
Having the correct spare part available can significantly reduce machine downtime.
Yes. The A20B-2100-0800 board supplied by FanucBuy includes a one-year warranty, providing customers with additional assurance regarding product quality and reliability.
If you are looking for a reliable supplier of original Fanuc circuit boards, FanucBuy can provide the A20B-2100-0800 PCB board with fast global delivery.
Contact us today to receive:
pricing information
stock availability
compatibility confirmation
shipping options
Our goal is to help manufacturers restore CNC machine operation quickly and keep production running efficiently.
Weite Welcomes Your Inquiries for More Fanuc Parts