F24 Moderate Moderate DIY

KitchenAid Dryer F24 — Inlet Thermistor Fault

KitchenAid Dryer · Error code F24

What F24 Means

The inlet (heater) thermistor reading is out of range. The control cannot manage heater output accurately.

Symptoms

  • F24 on display
  • No heat or limited heat
  • Cycle ends early

Common Causes

1
Failed inlet thermistor

Open or shorted sensor on the heater duct

2
Loose wiring at the heater housing

Vibration loosened the connector

3
Heater issue masquerading as sensor fault

Open heating element changing measured behavior

How to Fix It

  1. Unplug the dryer.
  2. Access the heater box (usually rear panel).
  3. Test the inlet thermistor for ~10kΩ at room temperature; replace if out of spec.
  4. Inspect the heating element and high-limit thermostats while you're in there.
  5. Reassemble and restore power.

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 inlet 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 F23 F23 — Exhaust Thermistor Shorted

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.