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OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRAH600
Carrier

OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRAH600

SKU: CARRIE-TCHC2550HECMRAH600-CONTROL_BOARD-HK32EA005 Brand: Carrier
✓ Guaranteed to fit TCHC2550HECMRAH600 — or your money back. Terms

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Texas CMBL #19328542014
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OEM Carrier Defrost Control Board HK32EA005 for Model TCHC2550HECMRAH600

This OEM defrost control board (part number HK32EA005) is the factory-specified replacement for the Carrier TCHC2550HECMRAH600 heat pump system. The defrost control board monitors time, temperature, and pressure inputs to intelligently initiate and terminate the defrost cycle, preventing ice accumulation on the outdoor coil. When this board fails, you'll typically experience continuous ice buildup on the outdoor unit, a system stuck in defrost mode, failure to complete the defrost cycle, or a unit that short-cycles and locks out entirely — all of which severely degrade heating efficiency and can lead to compressor damage if left unaddressed.

  • Part Number: HK32EA005 | OEM Carrier Factory Authorized Part | Also referenced as CEPL130856-01-R and CEBD430856-06-RA
  • OEM vs Generic: This is a genuine Carrier OEM board — not an aftermarket substitute. OEM boards use factory-calibrated defrost algorithms and certified relay ratings. Aftermarket boards can introduce erratic defrost timing, voided warranties, and premature system failures.
  • Install Difficulty: 3/5 — Involves disconnecting 24V control wiring and line-voltage terminals. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, multimeter, phone/camera to photograph wiring before removal. Turn off all power at the disconnect and breaker before servicing. Professional installation recommended.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed for the Carrier TCHC2550HECMRAH600 heat pump. Verify your existing board's part number against HK32EA005 before ordering — cross-reference numbers CEPL130856-01-R and CEBD430856-06-RA also confirm fitment. Not sure if this is the right part? Our HVAC specialists verify fitment before every order — contact us today. In stock and ready to ship.

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 $99
  • 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 OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRAH600?
Yes. This is the factory-specified OEM control board for the Carrier OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRAH600. 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 OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRAH600?
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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