How to Fix Whirlpool Dryer Error F03

⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: Dryer Difficulty: Moderate

Problem: Outlet Thermistor Open/Short

⚖️ Repair Decision
✅ WORTH FIXING

Parts under $100

How to Fix Dryer Error

  1. Unplug dryer.
  2. Check wiring to the exhaust thermistor.
  3. Measure resistance (should be ~10k ohms at room temp).
  4. Replace thermistor if bad.

🔧 Service Mode Tip: Measure resistance at control board pins.

Still Not Working?

If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Most DIY parts are $50–$250. If you have a quote, use the total.
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Expert: Mike Sullivan

EPA Section 608 Certified Technician with 18+ years experience.

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