The 30-year-old has lost his place in the side to Mauro Goicoechea after the fall-out and Jansen has hinted at a potential move to the Premier League.
"It's a serious problem of course between him and the coach," said Jansen.
"We are dealing with the situation with Roma in a very transparent and correct way. He's not made any final decision about leaving or whether he will stay there.
"We are looking at the market and if we have to act then we know what to do. The Premier League is one of the best competitions in the world so for every player wants to experience that."