Applied Biosystems QStar XL ForumsSign in to Start a DiscussionStart a Discussion Thu Oct 13 2016Updated byhoward2012 No power to rough pump Thu Mar 21 2013Asked bySIDRA aquaring scan Mon Sep 24 2012Asked byVersiera Negative polarity shows no signal Thu Sep 29 2011Updated byMartis Turbo pump issues Page 1 of 1 1Ask a QuestionStart a Post: Applied Biosystems - QStar XLSubjectEnter a question about troubleshooting, PM, buying advice and moreā¦ Sign in to Submit your DiscussionSubmit your Discussion