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Carrier

OEM Carrier Control Board for Model FB4BSF030L00AAAA Fan Coil

SKU: carrier-control-board-fb4bsf030l00aaaa Brand: Carrier
$249.95

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 for Model FB4BSF030L00AAAA Fan Coil

This genuine OEM Carrier control board is the core circuit board controlling blower operation, fan speed staging, and safety interlocks in your Carrier FB4BSF030L00AAAA fan coil air handler. A failing board commonly causes a blower that won't engage, random shutdowns, or lost communication with the thermostat. Built to precise Carrier engineering standards for the FB4BSF030L00AAAA, this factory-original part guarantees correct relay timing, stable voltage handling, and seamless integration with your indoor and outdoor units. Installation is moderate: cut power to the unit, photograph the wiring for reference, transfer each connector to its matching terminal on the new board, and confirm the DIP-switch settings match the original. A licensed HVAC technician is recommended. Choosing a genuine OEM board protects your warranty and outperforms aftermarket substitutes prone to misfires. This control board is in stock and ships same-day on orders before 3PM CST, so comfort returns fast. Order the exact factory-matched part engineered for your specific model.

Compatibility

This part is compatible with Carrier model FB4BSF030L00AAAA.

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 FB4BSF030L00AAAA Fan Coil?
Yes. This is the factory-specified OEM control board for the Carrier Model FB4BSF030L00AAAA Fan Coil. 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 FB4BSF030L00AAAA Fan Coil?
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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