UltiMate 3000 Series:
Diode Array Detectors DAD-3000(RS) and MWD-3000(RS)
Page ii Operating Instructions
4 Preparation for Operation (Startup) ........................................................................ 43
4.1 Overview of Actions ................................................................................................ 43
4.2 General Precautions for Connecting Capillaries ...................................................... 44
4.3 Connecting the Drain System .................................................................................. 45
4.4 Equilibrating the System .......................................................................................... 45
4.5 General Guidelines for Detector Operation ............................................................. 47
4.5.1 Wavelength ..................................................................................................... 47
4.5.2 Mobile Phases ................................................................................................. 47
4.5.3 Mobile Phase Delivery System ....................................................................... 48
4.5.4 Flow Cell ........................................................................................................ 48
4.5.5 Lamps ............................................................................................................. 48
5 Operation and Maintenance ...................................................................................... 49
5.1 Power-Up ................................................................................................................. 49
5.2 Status Screen ............................................................................................................ 50
5.3 Chromeleon Software .............................................................................................. 51
5.3.1 Connecting to Chromeleon ............................................................................. 51
5.3.2 Direct Control ................................................................................................. 52
5.3.3 Automated Control ......................................................................................... 55
5.4 Display Screens (Function Keys and Menus) .......................................................... 57
5.4.1 Showing the Function Keys ............................................................................ 57
5.4.2 Detector Menus ............................................................................................... 58
5.5 Operational Settings ................................................................................................. 65
5.5.1 Turning on the Lamps ..................................................................................... 65
5.5.2 Setting the Wavelength for UV_VIS channels ............................................... 66
5.5.3 Setting the 3D Wavelength Range (DAD-3000(RS) only) ............................ 66
5.5.4 Starting and Stopping Data Acquisition ......................................................... 67
5.5.5 Detecting Liquid Leaks in the Detector .......................................................... 68
5.5.6 Adjusting the Screen Brightness or Contrast .................................................. 68
5.6 Special Functions in Chromeleon ............................................................................ 69
5.6.1 Optimizing Detector Performance .................................................................. 69
5.6.2 SmartStartup and SmartShutdown .................................................................. 75
5.6.3 Predictive Performance ................................................................................... 75
5.6.4 Recording the Lamp House Temperature ....................................................... 76
5.6.5 Detector Diagnostics ....................................................................................... 77
5.6.6 Operational Qualification and Performance Qualification ............................. 77
5.7 Shutting Down the Detector ..................................................................................... 78
5.8 Routine and Preventive Maintenance Intervals ....................................................... 80
6 Troubleshooting .......................................................................................................... 81
6.1 Overview .................................................................................................................. 81
6.2 Messages on the Detector Display ........................................................................... 82
6.3 Diagnostics Tests in Chromeleon ............................................................................ 85
6.3.1 Dark Current Test ........................................................................................... 85
6.3.2 Holmium Oxide Test ...................................................................................... 87
6.3.3 Intensity Test .................................................................................................. 87