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OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRMH500
Carrier

OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRMH500

SKU: CARRIE-TCHC2550HECMRMH500-CONTROL_BOARD-HK32EA005 Brand: Carrier
✓ Guaranteed to fit TCHC2550HECMRMH500 — or your money back. Terms

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Texas CMBL #19328542014
SAM.gov Registered
Govt POs Accepted

OEM Carrier Defrost Control Board HK32EA005 for Model TCHC2550HECMRMH500

This is the genuine OEM Carrier defrost control board (part number HK32EA005), factory-specified for the Carrier TCHC2550HECMRMH500 heat pump system. The defrost control board manages the timing and execution of the defrost cycle, monitoring system parameters such as outdoor coil temperature and elapsed run time to determine when to initiate and terminate defrost. When this board fails, you'll typically see symptoms including persistent ice buildup on the outdoor coil, the system failing to enter defrost mode, erratic or continuous defrost cycling, or a complete system lockout with a fault code indicating a defrost control failure.

  • OEM Part Number: HK32EA005 | Also referenced as CEPL130856-01-R and CEBD430856-06-RA | Factory-authorized Carrier replacement
  • OEM vs Generic: This genuine Carrier OEM board is pre-programmed with factory defrost algorithms and timing logic matched to the TCHC2550HECMRMH500. Aftermarket boards may use generic timing parameters that degrade efficiency, cause premature compressor wear, or void remaining equipment warranties.
  • Install Difficulty: 3/5 — Requires disconnecting 24V control wiring and line-voltage connectors. Tools needed: ¼" nut driver, needle-nose pliers, multimeter, and phone or camera to photograph all wire positions before removal. Always shut off power at the disconnect and verify with a multimeter before touching terminals. Refer to the unit's wiring diagram (located inside the access panel) during reinstallation.
  • Warranty: 1-year OEM factory warranty. Ships same business day from our warehouse when ordered before cutoff.

Compatibility: Designed as a direct drop-in replacement for the Carrier TCHC2550HECMRMH500 heat pump. Verify your existing board's part number on the board label before ordering to confirm fitment — serial number ranges may apply. If you have any questions about compatibility, our HVAC parts specialists are available to confirm fitment before you buy. Order today and ship today — in stock and ready to go.

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 — TCHC2550HECMRMH500?
Yes. This is the factory-specified OEM control board for the Carrier OEM Carrier Defrost Control Board HK32EA005 — TCHC2550HECMRMH500. 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 — TCHC2550HECMRMH500?
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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