F24
KitchenAid
Water Temperature Sensor Out of Range
F24 appears; washer-dryer may stop heating water or may abort cycle early.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failed NTC sensor, loose NTC wiring, heater short affecting sensor, control board input fault
How to Fix / Troubleshooting
Safety first: Disconnect power and allow the tub area to cool.
- Locate NTC sensor: Remove the rear panel and find the temperature sensor mounted in the heater bracket at the bottom of the tub.
- Inspect wiring: Ensure the sensor connector is fully seated and the harness is not damaged or pinched.
- Measure resistance: Disconnect the sensor and measure its resistance at room temperature. Compare to KitchenAid specifications. If reading is open, shorted, or far out of range, replace the sensor.
- Check heater for shorts: A shorted heater can skew temperature readings. Test for continuity between heater terminals and ground; replace heater if shorted.
- Replace NTC if faulty: Install the correct replacement sensor, secure it in the bracket, reconnect wiring, and reassemble the rear panel.
- Test cycle: Restore power and run a warm wash to confirm proper heating and that F24 is cleared.
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Repair Difficulty
Medium
3/5
Required Part
Water Temperature Sensor (NTC)
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