We may have found other answers which could help you.
Click here for Duo Not WorkingRoberts eco4Bt. Limited Stations only avalable from new?
My roberts unologic will work on batteries but not on mains power? Help?
How can I fix my Roberts Unologic DAB radio?
Saving preset stations on Roberts DAB radio?
Distorted sound when playing music?
My Robert Unologic won't work on the batteries but will on mains?