You need to break her broodiness. Use an elevated wire dog crate with a piece of wood in it for her to perch on and food and water. Leave her in a secure, active area of the coop/run setup. She needs to stay in the crate around the clock for three days and nights. Let her out of the crate about...
Have you tried to reach in and grab her? If you try to reach under her and grab her eggs what does she do? Her behavior will give some answers as to whether or not she's broody or she just doesn't feel well.