F23 Serious Moderate DIY

KitchenAid Dryer F23 — Exhaust Thermistor Shorted

KitchenAid Dryer · Error code F23

What F23 Means

The exhaust thermistor circuit is showing a shorted condition. The dryer will not run automatic cycles safely until corrected.

Symptoms

  • F23 displayed
  • Dryer stops mid-cycle
  • Will not enter auto-dry modes

Common Causes

1
Shorted thermistor

Internal short pulling resistance near zero

2
Pinched/shorted wire in harness

Wire grounded against blower housing

3
ACU fault

Damaged thermistor input on main board

How to Fix It

  1. Unplug the dryer.
  2. Inspect the thermistor harness for pinch or chafe points.
  3. Measure thermistor resistance — replace if near 0Ω or open.
  4. Verify harness continuity from ACU to thermistor.
  5. Replace ACU if thermistor and wiring test good.

Parts You May Need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

Common replacement Dryer exhaust thermistor View on Amazon→

More KitchenAid Dryer Codes

AF AF — Airflow Restriction E1 E1 — Thermistor Open Circuit E2 E2 — Thermistor Shorted F01 F01 — Main Control Board Failure F22 F22 — Exhaust Thermistor Fault F24 F24 — Inlet Thermistor Fault

All KitchenAid codes → All dryer codes →

Verified against manufacturer documentation: kitchenaid.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.