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Carrier

OEM Carrier Control Board for Model FC4DNB036000AAAA Fan Coil

SKU: carrier-control-board-fc4dnb036000aaaa Brand: Carrier
$149.95

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 FC4DNB036000AAAA Fan Coil

This OEM Carrier control board is the primary circuit board that controls blower operation, fan speed staging, and built-in safety interlocks for the FC4DNB036000AAAA fan coil unit. When it fails, homeowners often notice the blower won't start, runs intermittently, or the thermostat displays fault codes. Produced to exact Carrier specifications, this genuine replacement restores correct airflow management and protects the motor and related parts from damaging voltage conditions. It is engineered as a direct fit for the FC4DNB036000AAAA, lining up with the original wiring harness and mounting points without modification. Install difficulty is moderate: a trained technician can finish the replacement in roughly 30 to 45 minutes by cutting power, transferring the connectors one at a time, and remounting the board. Professional installation is advised to preserve your equipment warranty. The board is in stock and ready to go. Order before 3PM CST for same-day shipping and faster recovery. Opting for OEM ensures guaranteed compatibility, proper control firmware, and the long-term reliability Carrier built into this fan coil series.

Compatibility

This part is compatible with Carrier model FC4DNB036000AAAA.

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 FC4DNB036000AAAA Fan Coil?
Yes. This is the factory-specified OEM control board for the Carrier Model FC4DNB036000AAAA 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 FC4DNB036000AAAA 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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