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.
57T01-843 – FAN CONTROL BOARD (TIME DELAY RELAY, TRANE, RLY02807)
$46.16
Trane 57T01-843 time delay relay for air handlers. Keeps blower running 80 seconds after compressor shutdown. Replaces RLY02807, CNT05981. OEM Trane part.
10226 Plano Rd, Suite 104, Dallas TX 75238
Questions? Call or text (214) 340-9421
Mon–Fri 10 am – 7 pm | Sat 10 am – 3 pm
Description
If your Trane air handler blower shuts off immediately when the compressor stops — instead of running for another minute or so to push remaining cool air through the house — this time delay relay is the fix. It keeps the blower running for 80 seconds after compressor shutdown.
Specs: Time delay relay, 80-second fan-off delay, OEM Trane
Replaces: 57T01-843, CNT05981, CNT5981, RLY02807, RLY2807
Fits: Trane and American Standard air handlers.
Need help? See our AC Clicking But Not Starting 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.
