Before replacing the board, count the LED blinks — the error code tells you what actually failed. Sometimes it’s a $15 fuse, not a $140 board.
CNT05482 – DEFROST CONTROL BOARD (OEM, TRANE)
$102.53
Trane CNT05482 defrost control board for heat pumps. Controls defrost cycle timing to prevent frost buildup on outdoor coil. OEM Trane part.
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm | In-Store Pickup Only
Description
If your heat pump’s outdoor unit is icing up and not defrosting properly, the defrost control board may have failed. This OEM Trane board manages the defrost cycle to keep the outdoor coil operating efficiently.
Specs: OEM Trane defrost control board
Replaces: CNT05482, CNT5482
Fits: Trane and American Standard heat pump systems
Need help? See our Furnace Not Heating Guide.
In stock at Open To Public HVAC Parts in Dallas. We test parts at the counter before you buy. Call or text (214) 340-9421.
