KitchenAid F24 — F24 flags the intake-side thermistor reading out of range, usually a sensor or wiring failure.

This guide explains the Kitchenaid Dryer F24 Error: what it means, what causes it, and how to resolve it safely.

Understanding the Kitchenaid Dryer F24 Error

Below, our specialists break down everything you need to know about the Kitchenaid Dryer F24 Error.

Understanding the Kitchenaid F24 Error

Below, our specialists break down everything you need to know about the Kitchenaid F24 Error.

What F24 means on your KitchenAid dryer

Where the outlet thermistor watches air leaving the drum, a second thermistor near the intake side keeps track of the temperature of air coming into the system. The control board compares both readings as part of managing the heating cycle safely and efficiently. A KitchenAid F24 error appears when that inlet reading falls outside the range the board expects, which stops the machine from continuing a heated cycle with unverified temperature data.

This sensor generally sees less direct heat exposure than its outlet counterpart, since it’s monitoring incoming rather than outgoing air, but it’s still wired through the same kind of connectors and subject to the same long-term wear, so failures do happen — just typically later in a machine’s life than outlet-side problems.

Symptoms

• F24 appears on the display and the cycle stops before finishing
• Heated drying won’t complete, though no-heat settings may still function
• Cycles seem to start fine but abort a few minutes in
• The problem may appear intermittently at first before becoming persistent
• No unusual smell or heat is typically noticed, unlike some outlet-side sensor failures

Common causes

• The inlet thermistor itself has failed open or shorted — less common than an outlet failure since it sees less heat, but it still wears out over enough thermal cycles.
• The wiring between the inlet sensor and the control board has broken or been pinched, sometimes from a prior service visit that disturbed the harness routing.
• The control board’s input circuit for the inlet sensor channel has failed, giving invalid readings regardless of the sensor’s actual condition.

Troubleshooting steps you can try

1. Unplug the dryer before doing any inspection, both as routine safety practice and because you may need to move the unit to check the vent.
2. Clean the lint filter and check the full vent path for restrictions — this is the same preliminary check worth doing for any thermistor-related code, since poor airflow can amplify sensor problems even when the sensor itself is healthy.
3. Reconnect power and run a short cycle to see if the problem clears once airflow is confirmed good.
4. If F24 returns, stop running heated cycles and schedule a service visit rather than repeatedly resetting the machine.

When to call a technician

Schedule an experienced technician for your dryer when:

It also helps to mention whether the problem came and went a few times before settling in permanently, since an intermittent early pattern followed by a constant problem often points more toward a wiring connection working itself loose than toward the sensor element failing outright, and that distinction can change which part gets tested first. Writing down the date and any details you noticed, even something as small as the problem appearing right after a load with an unusually large amount of lint, gives the technician a genuine head start.

Still seeing F24 on your dryer? That points to a repair best left to a professional. Request a technician online, explore our error-code library, or visit kitchenaid.com for model information.