OEM Carrier Defrost Control Board HK32EA001 for Model PH10JA02400GAGAA

This is the genuine OEM factory-replacement defrost control board for the Carrier PH10JA02400GAGAA heat pump. The defrost control board monitors outdoor coil conditions and orchestrates the defrost cycle — periodically reversing refrigerant flow to melt frost and ice accumulation from the outdoor coil. When this board fails, the outdoor unit will ice over progressively, efficiency drops sharply, and the system may eventually lock out on a fault code. Common failure symptoms include continuous ice buildup on the outdoor coil, the unit failing to enter defrost mode, or erratic defrost cycling that never fully clears the coil.

• OEM Part Number: HK32EA001 | Also cross-references: CEPL130524-01, CEBD430524-06A, 1173636, 1177927 | Carrier Factory Authorized Parts
• OEM vs Generic: This is a genuine Carrier OEM board built to exact factory tolerances. Generic aftermarket boards may use looser timing tolerances on the defrost interval (30/60/90 min selections), leading to under- or over-defrost conditions and premature compressor wear.
• Install Difficulty: 3/5 — Requires disconnecting 24V control wiring and low-voltage connectors. Tools needed: flathead and Phillips screwdrivers, needle-nose pliers, phone camera (photograph all wiring before removal). Always disconnect power at the breaker before servicing. Note defrost time selection jumper position before removing old board.
• Warranty: 1-year OEM manufacturer warranty. Ships same business day from our warehouse.

Compatibility: Directly fits Carrier model PH10JA02400GAGAA heat pump. Also compatible with select Carrier, Bryant, and Payne heat pump models — verify your unit's data plate and existing part number before ordering. Our fitment team is available to confirm compatibility prior to purchase. Order now — in stock and ships today.