The Whirlpool Washing Machine code F24 means: Water temperature sensor error — the thermistor is reading out of range.
Difficulty: Moderate — DIY-able with basic tools
What to do, step by step
- Test the water temperature sensor (~10 kΩ at room temp).
- Check its wiring harness.
- Replace the sensor if out of spec.
Video walkthrough
Is the repair worth it?
Before spending money, run the numbers: if the repair quote is more than about 30% of what a new washing machine costs — especially on an older unit — replacement is usually the smarter call.
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Safety first: unplug the appliance (and shut off gas where applicable) before any inspection. If you smell gas, leave the area and call your gas provider.