The FANUC A17B-8103-0204 is a printed circuit board used in a compatible FANUC CNC control configuration.

This PCB supports board-level electronic operation, signal processing, and internal communication between related components within the CNC control system.

Because publicly available technical documentation for this exact part number is limited, its specific function and controller compatibility should be confirmed using the original PCB label, revision marking, connector arrangement, and machine configuration.

The A17B-8103-0204 is suitable for CNC circuit-board replacement, controller maintenance, and board-level repair when the original PCB has confirmed component damage, unstable operation, communication problems, or other diagnosed electronic faults.

• Professionally inspected and tested before shipment
  
• Stock available for prompt order processing
  
• Worldwide DHL, UPS, and FedEx shipping

Product Details

• Brand: FANUC
• Part Number: A17B-8103-0204
• Alternative Format: A17B81030204
• Type: PC Board / CNC Control PCB
• Product Series: A17B-8103
• Application: Compatible FANUC CNC Control Systems
• Function: Board-level control, signal processing, and internal communication support
• Category: FANUC CNC Circuit Board / Control PCB

Identification & Compatibility Note

The precise function and application of the A17B-8103-0204 could not be reliably confirmed through publicly indexed technical documentation.

Before ordering, please verify:

• Complete FANUC part number
• PCB revision and identification markings
• Original board photographs
• Connector positions and component layout
• CNC controller model
• Installed hardware and option configuration
• Whether a bare PCB or populated assembly is required

The A17B-8103-0204 should not automatically be treated as interchangeable with A17B-8103-0200, even though some marketplace listings mention the two numbers together. That relationship has not been sufficiently confirmed.

Common Use Cases

• FANUC CNC circuit-board replacement
• Diagnosis of unstable controller operation
• Repair of damaged components or PCB traces
• Troubleshooting internal signal or communication faults
• Restoration of existing FANUC CNC equipment
• Preparation of a tested replacement board for maintenance

Sales & Support

Each A17B-8103-0204 PCB is carefully inspected and tested under applicable conditions before delivery.

Worldwide shipping is available through DHL, UPS, FedEx, and other express carriers. REACO CNC provides PCB repair service, warranty coverage, testing-video support, and technical assistance for FANUC CNC circuit boards and control-system components.