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OEM Carrier Defrost Control Board for HA1BJX018000ACAA — CESO110063-02
Carrier

OEM Carrier Defrost Control Board for HA1BJX018000ACAA — CESO110063-02

SKU: CARRIE-HA1BJX018000ACAA-CONTROL_BOARD-CESO110063-02 Brand: Carrier

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Texas CMBL #19328542014
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Govt POs Accepted

OEM Carrier Defrost Control Board CESO110063-02 for Model HA1BJX018000ACAA

This is the factory OEM defrost control board (part number CESO110063-02) for the Carrier HA1BJX018000ACAA heat pump system. The defrost control board manages the timing and initiation of defrost cycles, monitoring outdoor coil temperature and run time to prevent ice buildup on the heat pump's outdoor unit. When this board fails, you may experience a permanently iced outdoor coil, a unit stuck in continuous defrost mode, failure to enter defrost at all, or fault codes indicating a defrost system lockout. Replacing this board with a genuine OEM unit restores factory-programmed defrost logic and timing intervals, protecting the coil and compressor from frost-related damage.

  • Specs: OEM Part Number CESO110063-02 | Factory defrost timing and temperature control logic | 24V control circuit compatible | Direct drop-in replacement for Carrier HA1BJX018000ACAA
  • OEM vs Generic: This is a genuine Carrier OEM board programmed with exact defrost cycle parameters. Aftermarket boards may use generic timing intervals that result in under- or over-defrosting, reducing system efficiency and shortening compressor life.
  • Install Difficulty: 3/5 — Requires disconnecting 24V and line-voltage control wiring. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter. Always photograph and label all wiring harnesses before removal. Discharge any capacitors and shut off power at the disconnect before beginning work.
  • Warranty: 1-year OEM factory warranty against defects. Orders placed before cutoff ship the same business day from our climate-controlled warehouse.

Compatibility: This defrost control board is engineered specifically for the Carrier HA1BJX018000ACAA heat pump. Verify OEM part number CESO110063-02 against your existing board label before ordering. If you are unsure of fitment, our HVAC parts specialists are available to confirm compatibility before you complete your purchase. In-stock and ready to ship today — get your system back to peak heating performance fast.

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 info@nationalhvacparts.com to initiate a return
  • Refunds processed within 5-7 business days

Frequently Asked Questions

Does this Control Board fit my Carrier HA1BJX018000ACAA — CESO110063-02?
Yes. This is the factory-specified OEM control board for the Carrier HA1BJX018000ACAA — CESO110063-02. 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 HA1BJX018000ACAA — CESO110063-02?
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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Mike Rivera
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