Bush digital terrestrial receiver dfta 11

Question

i have a bush dfta 11 digi box. the standby light should be "red" for off and "green" for on but for some reason its flashing red. pressing the standby on the remote has ** effect. i have tried the remote on a**ther unit and it work's fine, so the battery's are ok, any ideas you have would be gratefully receavedJohn