Phonak audeo B-R is not turning on

Heey
I have phonak Audeo B R Charging pair. After charging my Left(Blue) hearing aid is not working . I did 3/4 times long press on hearing aid but not starting but when I put them on charging device the green charging light is turn on for both except that for right side the green charging light is flashing and the left is continually turned on . Plz give me ur precious advise for solve this my issue.

Thanks in Advance

Regards