[cypher]

A week isn't long for her to settle in & get used to things, I would just slow down a bit, try putting some of the substrate from her cage into the playpen so it smells more familiar, you could put her wheel in too as they will often have a bit of a run in the wheel if they get stressed at first when out. Try just doing a short period every few days to begin with & try to go at her pace.
I found sitting in a playpen with them works well too.