F24
KitchenAid Water Temperature Sensor Out of Range

Washer displays F24 and may not heat water properly.

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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

NTC sensor reading too high or too low, poor thermal contact between NTC and tub, wiring resistance causing incorrect reading, control calibration fault

How to Fix / Troubleshooting

Safety First: Unplug the washer before accessing the rear panel.

Step-by-step checks:

  • Check sensor mounting: Ensure the NTC is fully seated in its holder or well and has good contact with the tub or heater housing.
  • Measure resistance: Compare NTC resistance at room temperature and at warm water temperature to the service chart. Replace if out of range.
  • Inspect wiring: Look for corroded connectors or damaged wires that could add resistance.

When to replace: Replace the NTC if readings are unstable or out of spec. If the sensor and wiring are good, the main control may be misreading and require replacement.

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Repair Difficulty

Medium 3/5

Required Part

Water Temperature Sensor (NTC)
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