A20B-2102-0642 FANUC Servo Control Board 3 Axis Servo Drive PCB

The A20B-2102-0642 is a FANUC PC board / servo control board used in compatible FANUC 3 axis servo drive systems. It is an internal PCB component for servo drive control, signal processing, and drive-related operation, depending on the original servo drive configuration.

This model is described as a PCB for 3 axis servo drive and can be used as a replacement for A20B-2101-0892. It is not a complete servo amplifier unit. Correct board number confirmation, original drive model checking, connector layout verification, and professional testing are important before replacement.

Worldwide Shipping & REACO CNC Service

• Worldwide Shipping: We can ship worldwide by DHL, UPS, FedEx, or other available logistics channels.
• Fast Handling: In-stock items can usually be shipped within 1-2 working days after payment.
• 100% Tested Before Delivery: Each qualified servo control board is tested or checked before shipment. Product photos or a test video can be sent before delivery when required.
• REACO Warranty: New or refurbished products usually include a 1-year warranty, and used 90% new products usually include a 3-month warranty.
• Free Technical Support: Our team can help with basic model confirmation, board matching, and replacement guidance.

Product Information

Product Application

The FANUC A20B-2102-0642 servo control board is mainly used for FANUC 3 axis servo drive repair and maintenance. It may be required when the original servo drive PCB is damaged, unstable, burnt, corroded, or causing servo drive communication, control, or alarm-related problems.

This board is also listed as a replacement for A20B-2101-0892. Before replacement, please confirm the original board number, servo drive model, connector layout, machine configuration, and alarm information to avoid compatibility issues.

Quality Control and Testing

For FANUC servo control boards, careful checking is very important before shipment because PCB condition may directly affect servo axis control, drive communication, signal stability, machine accuracy, and repair success rate. REACO CNC checks qualified products carefully and can provide real product photos or a test video before delivery when required.

Our goal is to help customers receive reliable CNC spare parts with clear product information, careful inspection, responsive after-sales support, and practical technical assistance.

Compatibility Confirmation

Before ordering, please confirm that the full board number on your original PCB is A20B-2102-0642 or that your application allows replacement from A20B-2101-0892. Similar FANUC servo control boards may have different connector layouts, hardware versions, applicable drive models, axis configurations, or compatibility requirements.

If you are not sure whether this FANUC servo control board is suitable for your machine, please send photos of the original board label, full servo drive model, connector side photos, CNC system model, and alarm information. REACO CNC can help check the details before purchase.

FAQ

Q: What is A20B-2102-0642?

A20B-2102-0642 is a FANUC PC board / servo control board used in compatible 3 axis servo drive systems.

Q: Is A20B-2102-0642 a complete servo drive?

No. A20B-2102-0642 is a PCB / servo control board component, not a complete servo amplifier or complete drive unit.

Q: What model does A20B-2102-0642 replace?

A20B-2102-0642 is listed as replacing A20B-2101-0892. Compatibility should still be confirmed according to the original board, servo drive model, and machine configuration.

Q: Is A20B-2102-0642 used for a 3 axis servo drive?

Yes. This model is described as a PCB for a 3 axis servo drive.

Q: Can REACO CNC test this FANUC servo control board before shipment?

Yes. REACO CNC tests or checks qualified servo control boards before delivery. Product photos or a test video can be sent before shipment when required.

Q: What warranty does REACO CNC provide?

For new or refurbished products, REACO CNC usually provides a 1-year warranty. For used 90% new products, the warranty is usually 3 months. The final warranty term depends on the quotation and order condition.

Q: Can you help confirm compatibility before purchase?

Yes. Please send the original board photos, full board number, servo drive model, connector side photos, CNC system information, and alarm details. We will help check whether this model is suitable for your machine.

Q: Do you also provide FANUC servo drive PCB repair service?

Yes. REACO CNC provides FANUC servo drive PCB sales and repair support. If your original board is faulty, you can contact us for replacement or repair options.