The data is on the type plate, which you can find as shown.
Error code F8 can have various causes.

Miele
F8

8

Error code F8 is what is known as a “mechanical fault”. That means – the temperature sensor in your machine is very likely defective. With a refurbished part from us the fault is fixed for good and does not come back.
Please enter the model number of your appliance in the relevant field and find the right products to fix your fault.
The data is on the type plate, which you can find as shown.
No problem. Send us the most important details about your appliance and the fault. Our team will review your information and help you find the right solution.