Have you checked the manual for what F17 means?

Is it something like "Filling Timeout"?

This may help:
http://www.justanswer.com/uk-appliance/4t6wz-siemens-e16-48-will-not-start-error-f-17-appears.html

Manual here:

http://www.siemens-home.bsh-group.com/uk/customer-service/user-manuals

acp
April 2017