The disruptions mean that customers cannot log in to the internet bank and the app.
Åsa Lundquist at Swedbank's press service does not want to answer whether the problem is internal or external, and does not have a prognosis for when the error can be rectified.
I cannot comment on what is wrong, but we are working at full speed to resolve it as soon as possible, she says to TT.
The bank has had problems on and off over the past few days.
