The Complete Guide to Fadal 1400-5C CPU Board (PCB-0030) – The Brain of Your CNC Control

Why Your Fadal Needs the 1400-5C CPU Board

The Fadal 1400-5C CPU Board (PCB-0030) is the central nervous system of your CNC88(HS) control. If your machine suffers from:

• Slow program processing
• Memory limitations (38KB default is restrictive today)
• Unresponsive controls
• Frequent system crashes
  
  

This latest-generation CPU board delivers faster processing, expanded memory support (up to 16MB), and reliable operation for demanding CNC workflows.

Hey, did you read our latest publication about ‘Upgrade Your Fadal CNC with USB Mass Storage: The Complete Guide to USB-FADAL-KIT‘?

Key Features & Benefits

1. Faster Processing Power

• 48MHz crystal oscillator (vs. older 50MHz in 1400-5A)
• Optimized for modern machining programs
• Reduces lag in complex toolpath execution

2. Memory Expansion Ready

• Base memory: 38KB (stores programs, tool offsets, parameters)
• Supports upgrades to:
  • 4MB (PCB-0042)
  • 8MB (PCB-0043)
  • 16MB (PCB-0044)

Note: Older 1400-5A boards only support up to 384KB (PCB-0041)

3. Critical Compatibility

• Fits Slot #5 in Fadal control racks
• Works with:
  • 1030-1C Interface Board
  • 1420-4A Video Graphics Board
  • 1610-1 Program Module (software)

4. ITS-Certified Reliability

• Tested & repaired by Fadal’s original circuit board specialists (since 1992)
• 1-year warranty (new units) / 6-month (remanufactured)

When Should You Replace Your CPU Board?

Symptoms of Failure:
✔ Control freezes or crashes frequently
✔ Memory corruption (lost programs/offsets)
✔ Inability to run larger programs
✔ Error messages during boot-upBefore Replacing:

• Check battery backup (dead battery corrupts memory)
• Verify power supply voltages
• Test memory expansion boards if installed

Installation & Setup

What’s Included?

• PCB-0030 CPU Board
• Installation guide
• Warranty documentation

Installation Steps

1. Power down and disconnect all machine power.
2. Remove old CPU board from Slot #5.
3. Install 1400-5C board, ensuring secure connections.
4. Reconnect peripherals:
   • 1030-1C Interface Board
   • 1420-4A Video Board
   • Memory/software modules
5. Power on and test system responsiveness.

Pro Tip:
Pair with an ITS USB Mass Storage Device to bypass floppy/RS232 limitations.

Upgrading memory? Ensure your software version supports expanded memory (V103.5+ recommended)

Why Choose ITSCNC?

1. Genuine Fadal Design – Not reverse-engineered clones
2. Pre-Tested – Every board verified before shipping
3. Expert Support – Help with diagnostics & installation
4. Ongoing Warranty – 1 year coverage for worry-free operation

Final Recommendation

For Fadal shops needing better speed, expanded memory, and reliability, the Fadal CPU Board, 1400-5C, New PCB-0030 (PCB-0030) is the definitive upgrade. 

Whether replacing a failed board or modernizing an older machine, this is the smartest path to sustained performance.Ready to upgrade? Contact ITSCNC today!