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Carrier

OEM Carrier Control Board Replacement for Model FA4ANF018000AFAA

SKU: carrier-control-board-fa4anf018000afaa Brand: Carrier
$236.95

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

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OEM Carrier Control Board Replacement for Model FA4ANF018000AFAA

This authentic OEM Carrier control board is the main circuit board that directs blower speed, enforces safety limits, and manages communication on your FA4ANF018000AFAA fan coil unit. It interprets sensor inputs and produces diagnostic codes to keep your air handler responding accurately to every system call. When the board fails, you may see dead airflow, random cycling, or no LED indicators—this direct-fit replacement corrects those faults and restores reliable operation. Manufactured to Carrier specifications, it fits the FA4ANF018000AFAA without modification, matching factory wiring and mounting points exactly. Installation is moderate and best performed by a licensed HVAC technician on a powered-off unit; allow roughly 30–45 minutes and photograph the wiring before removal. Genuine Carrier components deliver the proper logic and service life that aftermarket boards can't reliably match. Order before 3PM CST for same-day shipping and faster recovery. Reach out and we'll confirm compatibility with your equipment.

Compatibility

This part is compatible with Carrier model FA4ANF018000AFAA.

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 FA4ANF018000AFAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FA4ANF018000AFAA. 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 FA4ANF018000AFAA?
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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