Miele Washing Machine Error Code F31

What Does Error Code F31 Mean on a Miele Washing Machine?

NTC temperature sensor fault.

The water temperature sensor (NTC thermistor) has failed or is reading out of spec.

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 circuit 65% of cases
2. 2
   Connector loose 25% of cases
3. 3
   Wiring damaged 10% of cases

How to Fix Miele Washing Machine Error Code F31

1. 1

   Test thermistor

   At room temp: should read approximately 6k–10k ohms.

   🔩 Multimeter
2. 2

   Check connector

   Reseat the connector at the sensor.

3. 3

   Replace thermistor

   Miele genuine parts recommended.

   🔩 Miele NTC thermistor ($25–$60)

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

Same Code on Other Brands

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

Whirlpool Dryer F31

Exhaust thermistor failure

Frigidaire Oven F31

Oven temperature probe short circuit

Find Replacement Parts

Use these links to find the exact replacement parts for your Miele Washing Machine:

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

Frequently Asked Questions