"Ion Guide 2 pressure too high" on TQS: leak, failure of a Turbo Pump or Scroll Pump, or other?

Dear Colleagues, On our Waters Xevo TQS MS (installed in mid2015), the Ion Guide Pirani is already higher than usual when the cone valve is closed (5*10-4), and after opening, the error message...

22 December 2016 655 1 View