Miele Dishwasher Error Code F15

What Does Error Code F15 Mean on a Miele Dishwasher?

Heating issue — water not heating to target temperature.

The dishwasher is not heating the wash water to the required temperature.

What Causes Error Code F15?

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

1. 1
   Heating element failure 55% of cases
2. 2
   NTC temperature sensor failure 30% of cases
3. 3
   Heater relay on board failed 15% of cases

How to Fix Miele Dishwasher Error Code F15

1. 1

   Test heating element

   Disconnect and test continuity — should read 15–30 ohms.

   🔩 Miele dishwasher heater ($60–$130)
2. 2

   Test NTC sensor

   At room temp: ~6k–7k ohms.

   🔩 Miele NTC sensor ($25–$60)
3. 3

   Replace failed component

   Install appropriate replacement.

How to Reset Error Code F15

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

Find Replacement Parts

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

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

Frequently Asked Questions