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Carrier

OEM Carrier Control Board Replacement for Model FC4BNB054000AAAA

SKU: carrier-control-board-fc4bnb054000aaaa 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 Control Board Replacement for Model FC4BNB054000AAAA

Return your Carrier FC4BNB054000AAAA fan coil to dependable operation with this genuine OEM control board, the electronic hub that manages blower speed, relay sequencing, safety interlocks, and thermostat communication. A failing board often shows up as a dead unit, erratic fan cycling, no heating or cooling, or blinking fault codes that point to lost control logic. This factory replacement is built and programmed to Carrier specifications for the FC4BNB054000AAAA, so it matches the original connectors, wiring harness, and operating sequence precisely. Installation is a moderate job best suited to experienced DIYers and HVAC technicians: disconnect power, photograph every connector before removal, transfer the plugs one at a time to the new board, and secure it in the factory mounting location. Most installations take 30 to 45 minutes. Using the genuine OEM board avoids the timing and compatibility issues common with universal replacements. This part is in stock and ships the same day on all orders placed before 3PM CST.

Compatibility

This part is compatible with Carrier model FC4BNB054000AAAA.

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 FC4BNB054000AAAA?
Yes. This is the factory-specified OEM control board for the Carrier Model FC4BNB054000AAAA. 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 FC4BNB054000AAAA?
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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