We may have found other answers which could help you.
Click here for Batteries Mains Power HelpMy roberts unologic will work on batteries but not on mains power? Help?
No volume?
My Robert Unologic won't work on the batteries but will on mains?
how do I fix the on/off button on DAB Roberts RadioTD 21?
No sound ecologic 4?
roberts sport dab radio screen?