Thank you for your question.
As a general rule, when you leave the apartment at the end of the lease period, it must be returned in a state similar to when you moved in. If the dishwasher was in the apartment when you moved in, it does belong to the landlord. This means you must maintain it (keep it clean and in good use), but your landlord must repair damage from wear and tear. The idea is that your landlord provides you with a functional dishwasher, you keep it functional from day to day. Damage from wear and tear is the responsibility of the landlord, damage from faulty maintenance is the responsibility of the tenant.
If the dishwasher leaks or is not working, you must immediately inform your landlord about this, in writing (sounds like wear and tear to me)! And he must repair it.
Kindly
Martin G. Laursen
Sagsbehandler