Whirlpool Dryer Error Code F31

What Does Error Code F31 Mean on a Whirlpool Dryer?

Exhaust thermistor failure.

The thermistor measuring exhaust air temperature has failed.

What Causes Error Code F31?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Thermistor open or shorted 70% of cases
2. 2
   Connector loose 20% of cases
3. 3
   Heat-damaged wiring 10% of cases

How to Fix Whirlpool Dryer Error Code F31

1. 1

   Test thermistor

   Room temp: ~10k–12k ohms.

   🔩 Multimeter
2. 2

   Check connector

   Reseat at thermistor.

3. 3

   Replace thermistor

   Located in exhaust duct inside cabinet.

   🔩 Whirlpool dryer thermistor ($15–$40)

How to Reset Error Code F31

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Related Error Codes

Same Code on Other Brands

Error code F31 appears on these other brands too. Click to compare:

Frigidaire Oven F31

Oven temperature probe short circuit

Miele Washing Machine F31

NTC temperature sensor fault

Find Replacement Parts

Use these links to find the exact replacement parts for your Whirlpool Dryer:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions