Whirlpool Dryer Error Code F3
Last updated: January 5, 2026 MEDIUM
⚠️ Safety Warning
- Unplug the appliance before attempting any repairs
- Never attempt repairs while the appliance is energized
- If you're unsure, contact a certified Whirlpool technician
- Keep children and pets away during troubleshooting
🔧 Tools You May Need
- Multimeter
- Screwdriver set
- Work gloves
- Vent brush
- Vacuum
- Flashlight
What Does Error Code F3 Mean?
The F3 error code on Whirlpool dryers signals door switch malfunction. This diagnostic alert usually points to the thermostat problems.
Common Causes
- control board
- heating
- airflow
- moisture sensor
How to Fix Error Code F3
Step 1: Reset Your Dryer
- Unplug the dryer from the power outlet
- Wait 2-3 minutes for the capacitors to discharge
- Plug the appliance back in
- Check if the error code has cleared
Diagnostic Checks for Dryer Error F3
| Diagnostic Check | Expected Result | If Failed |
|---|---|---|
| Check exhaust vent for blockage | Strong airflow at exterior vent | Clean entire vent run, remove lint buildup |
| Test thermal fuse with multimeter | Continuity (near 0 ohms) | Replace thermal fuse (do not bypass) |
| Inspect heating element | No visible breaks, element glows red | Replace heating element assembly |
| Check drum rotation | Drum spins freely, belt intact | Replace belt or drum rollers |
| Verify gas igniter (gas models) | Igniter glows, gas ignites within 90 sec | Replace igniter or gas valve coils |
💡 Pro Tips from ErrorCodeHub
Thermal Fuse Tip: If your dryer heats but shuts off early, the thermal fuse is likely blown. It's a $10 part—but find out WHY it blew first (usually a clogged vent).
Frequently Asked Questions
What does Whirlpool error code F3 mean?
The F3 error code on Whirlpool dryers signals door switch malfunction. This diagnostic alert usually points to the thermostat problems.
Can I fix error code F3 myself?
Many F3 errors can be fixed with basic troubleshooting. Start with a reset, then check common causes.
How much does it cost to fix error F3?
Repair costs typically range from $50-$300 depending on the cause.
Should I call a technician for error F3?
If basic troubleshooting doesn't work, or you're uncomfortable with repairs, contact a certified technician.
More Whirlpool Dryer Error Codes
When to Call a Professional
Consider contacting a certified Whirlpool technician if:
- The error persists after troubleshooting
- You're not comfortable with DIY repairs
- The repair involves electrical or gas components
- Your appliance is still under warranty
Find a technician: Call Whirlpool support or search for certified repair services in your area.