Kettler bike problem

I just wanted to ride my room bike and there is an error :(. Reset does not work ...

[@nikolaiyuriyakovlevich2682]

Mine have something like spider web wringkle/wringkle/something like snow flake wringkle inside it.what is that?

[@knagode85]

OK. After 20 minutes of reseting, plugging in/out - it magically started working again. Horray!