buetikoferm6ย years ago000Why can't I switch it off? Rear switch on 0 and it still lights up blue ๐๐Show in original language (German)BexJr.6ย years ago000It shouldn't. Would send it back.Show in original language (German)CommentP@ric6ย years ago000Send it back. It's a defect. Mine can be switched off at the switch so that the lamp no longer lights up ๐Show in original language (German)Comment