A16B-3200-0429 – Fanuc Main CPU Board for #18i / 180i Model B

The A16B-3200-0429 is a Fanuc main CPU board used in #18i / 180i Model B CNC systems. As a core processing board inside the control unit, it plays an important role in system startup, command processing, and overall control stability during machine operation.

This model has been discontinued by the manufacturer, so it is now mainly requested by customers who are maintaining installed equipment, repairing older Fanuc systems, or preparing spare stock for long-term support. For many service teams, the A16B 3200 0429 remains an important board because using the correct CPU module helps keep the original control structure intact and avoids unnecessary compatibility issues.

At REACO CNC, we supply dependable Fanuc parts for customers who need replacement CPU boards, spare inventory, or Fanuc repair support for existing CNC systems.

Product Overview

The A16B-3200-0429 Fanuc CPU board is identified as the main CPU board for #18i / 180i Model B control systems. Boards in this position are central to the machine’s control architecture and directly affect how the system responds, communicates, and operates under normal production conditions.

In real service work, CPU board faults often show up as broader system problems rather than one simple issue. A machine may fail to start normally, behave unpredictably, or display communication-related alarms. In those cases, replacing the correct A16B-3200-0429 is often the most practical way to restore system stability and reduce downtime.

Key Features

• Fanuc main CPU board for CNC control systems
• Used in #18i / 180i Model B applications
• Identified as a separate CPU board
• Discontinued model for installed equipment support
• Suitable for replacement, repair, or spare stock
• Practical option for maintaining legacy Fanuc CNC systems

Typical Applications

The A16B-3200-0429 is commonly associated with:

• Fanuc #18i / 180i Model B control systems
• CNC machine control units
• Legacy production equipment
• Maintenance and rebuild projects
• Service work requiring original-compatible Fanuc control PCBs

It may also be sourced together with related Fanuc controller boards, servo amplifier modules, spindle drive units, interface boards, display boards, and power supply units during larger repair jobs.

Condition Options

Depending on stock availability, this board may be supplied in:

• New condition
• Refurbished condition
• Used condition

For many customers working with discontinued control hardware, refurbished stock is often the most practical choice. It helps preserve the original machine setup while keeping both lead time and cost under better control.

Why Customers Search for This Model

Customers usually look for the A16B-3200-0429 when they need:

• A direct replacement for a faulty CPU board
• Support for discontinued 18i / 180i Model B hardware
• Backup Fanuc stock for important machines
• Reliable Fanuc parts for repair and maintenance
• Help deciding between replacement and Fanuc repair

In real production environments, having the correct CPU board available can save a great deal of time and make troubleshooting much more straightforward.

Repair and Replacement Support

REACO CNC supports both direct replacement supply and Fanuc repair inquiries. If your original A16B-3200-0429 is damaged, we can help review whether repair is practical or whether replacement is the more efficient route based on stock, condition, and urgency.

We also support sourcing for related Fanuc parts, including main CPU boards, interface boards, display boards, servo amplifier modules, spindle drive units, and other CNC electronic assemblies used in installed Fanuc systems.

Additional Notes

For many factories, older Fanuc controls are still running productive machines every day. In that kind of environment, keeping the original system stable is often more important than upgrading to a completely different platform. A correct A16B 3200 0429 replacement can help preserve the original control structure, reduce unnecessary troubleshooting, and support continued operation of installed equipment.

FAQ

What is A16B-3200-0429?
It is a Fanuc main CPU board used in #18i / 180i Model B CNC systems.

What is this board used for?
It serves as a main CPU board that supports system processing, control functions, and internal communication.

Is A16B-3200-0429 discontinued?
Yes. This model has been discontinued by the manufacturer.

What does “separate” mean in the product description?
It indicates this CPU board is used as a separate board within the control structure rather than being integrated into another assembly.

Can A16B-3200-0429 be repaired?
Yes. Repair may be possible depending on the board condition and fault type.

Do you provide worldwide shipping?
Yes. We supply Fanuc parts to customers around the world.

Need pricing or availability for A16B-3200-0429?
Contact REACO CNC for stock status, repair support, and worldwide shipping options.