>> 2 years of warranty for electronic good in whole EU.

> http://www.finanztip.de/garantie-gewaehrleistung/
> as I understand it 2 years to repair things that were wrong from beginning
> when you bought it but if product was ok and problem arises only one year

As the explanation you linked to says, it's 2 years of seller's warranty, where after 6 months the burden of proof passes over from the seller to the buyer. There's nothing that happens after one year.