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Carrier

OEM Carrier Fan Coil Control Board for Model FC4DNF018008AAAA

SKU: carrier-control-board-fc4dnf018008aaaa Brand: Carrier
$224.95

Order before 3PM CST — ships same day.
Standard delivery 2-5 business days. Express options at checkout.

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OEM Carrier Fan Coil Control Board for Model FC4DNF018008AAAA

This genuine OEM Carrier control board is the central module that runs your FC4DNF018008AAAA fan coil, directing blower operation, electric heat staging, and the safety interlocks protecting the system. When this board fails, you may notice no blower response, intermittent cycling, or error codes — installing the proper factory board clears these faults and restores accurate control. Built to exact Carrier specifications, it drops straight into the FC4DNF018008AAAA with matching connectors and relay ratings, eliminating any need for rewiring or jumper changes. Difficulty is moderate: shut off power at the breaker, photograph and transfer the wiring one plug at a time, then mount the board to the factory standoffs — about 30-45 minutes for a trained technician. We recommend a professional verify sequencing once installed. Genuine OEM boards safeguard your equipment warranty and outlast universal substitutes. We keep this part in stock and ship same-day on all orders placed before 3PM CST. Restore full, reliable operation to your Carrier fan coil with the correct factory control board.

Compatibility

This part is compatible with Carrier model FC4DNF018008AAAA.

Shipping

Same-day shipping before 3 PM CST. 30-day returns on uninstalled parts.

Shipping Information

  • Orders placed before 3PM CST ship same business day
  • Standard delivery: 2-5 business days
  • Express shipping available at checkout
  • Free shipping on orders over $75
  • Tracking number emailed upon shipment

Return Policy

  • 30-day returns on unused parts in original packaging
  • Electrical parts (capacitors, contactors, control boards) are final sale once installed
  • Email support@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Control Board fit my Carrier Model FC4DNF018008AAAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FC4DNF018008AAAA. It is a direct drop-in replacement that fits without modification. Always verify the model number on your equipment nameplate before ordering.
How do I replace the control board on my Carrier Model FC4DNF018008AAAA?
Difficulty: Advanced (1–2 hrs)
Step 1: Turn off breaker. Step 2: PHOTOGRAPH all wire connections before touching anything. Step 3: Label each wire with tape. Step 4: Disconnect all wires, remove old board. Step 5: Mount new board, reconnect all wires matching your photo exactly. Step 6: Restore power and test all modes. Exact part number match is critical.
My HVAC system is completely dead. What could be wrong?
Completely dead HVAC (no LED on board) = failed control board or blown fuse. Check board fuse first (3A or 5A, costs $1–$5). If fuse is good and board has power but no LED, board is dead. Always photograph wiring before replacing.
Is this control board compatible with Bryant or Payne too?
Many Carrier parts are cross-compatible with Bryant and Payne since all three brands are manufactured by Carrier Global Corporation. The same physical part is often used across brand labels with different model numbers. To verify: check your Bryant or Payne equipment service manual for cross-compatible part numbers, or email info@nationalhvacparts.com with your model number.
Should I use OEM or aftermarket for my Carrier control board?
OEM essential. Control boards are model-specific with precise firmware and connector layouts. Aftermarket boards rarely match all functions and can cause intermittent failures or safety issues. Always match the exact OEM part number.
How fast does National HVAC Parts ship?
Orders placed before 3:00 PM CST ship the same business day. Standard delivery is 2–5 business days anywhere in the continental United States. Express shipping available at checkout. We ship from Houston, TX to all 50 states. 30-day return policy on all parts.
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