Condominium association has a special property insurance to cover the association's property. As a condominium owner you must ensure that the inventory in your condominium covered by home insurance. Often also a special supplementary insurance is required, called Housing Supplement (In Swedish “Bostadsrättstillägg”), because you must have the full protection of your condominium. Check your situation with your insurance company.
Condominium association's bylaws establishes the limit of what you as a tenant-owner will finance and maintain the apartment as well as the condominium association will be responsible for. Basically you answer normally for all maintenance of the apartment except the heaters and heating ducts. In an apartment building, it is however, the property owner is responsible for all maintenance of the apartments.
In a condominium both the responsibility and costs for maintenance are shared between the residents and the association. The same rules apply for repairs in connection with, for example, water damage or "normal" maintenance. The basic rule for sharing the responsibility and the cost is stated in the association's regulations: "Member/Condominium part-owner (In Swedish the “Bostadsrättshavaren”) shall at his own expense, keep the apartment in good condition. This also applies to land, storeroom and garage or another apartment supplement, included in the grant. "
Briefly, it means that you are responsible for and bear the cost of the "inner" maintenance, ie for the maintenance of the apartment and your storage space. The association is responsible and pays for the rest, the so-called exterior maintenance. The association is responsible and also pay for the repair of ventilation ducts and pipes for sewage, heating, electricity and water used by more than one apartment.
For which the association is responsible, you have so-called supervisory responsibility. This means that you should regularly check for example that everything is operating correctly and report any problems to the board / management.