
The Whirlpool Oven code F3 means: Temperature sensor circuit open — the sensor or its wiring is broken.
Difficulty: Moderate — DIY-able with basic tools
What to do, step by step
- Test the sensor resistance at the connector behind the oven.
- An open circuit (infinite Ω) confirms it.
- Replace the sensor — this is a cheap, easy fix (~$25 part).
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 oven costs — especially on an older unit — replacement is usually the smarter call.
Check your quote with our free calculator →
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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.