Thermo Scientific Prima PRO User Manual page 9

Contents
Chapter 9
Chapter 10
x Prima PRO & Sentinel PRO Mass Spectrometers User Guide
RMS Sample Flow Sensor ......................................................... 8-8
RMS Flow Zero ......................................................................... 8-8
RMS Position ............................................................................. 8-8
Sample Tube Current ................................................................. 8-8
Sample Tube Temperature ......................................................... 8-9
Collector Tab ................................................................................ 8-9
Faraday Deflector....................................................................... 8-9
Multiplier Deflector ................................................................... 8-9
Multiplier Voltage ...................................................................... 8-9
Negative and Positive Quad Lens Voltages ............................... 8-9
Resolution .................................................................................. 8-9
Power .......................................................................................... 8-10
Amplifier +24V ........................................................................ 8-10
Analyser Supplies +24V .......................................................... 8-10
Instrument CPU 24V................................................................ 8-10
Fan 24V .................................................................................... 8-10
Inlet Probe Current ................................................................... 8-10
Magnet Supply Current ............................................................ 8-11
Magnet Sync AC ...................................................................... 8-11
Power Controller Status ........................................................... 8-11
Turbo 24V ................................................................................ 8-11
User IO 24V ............................................................................. 8-11
Vent Valve 24V ....................................................................... 8-11
Communications ......................................................................... 8-11
Host Comms Quiet ................................................................... 8-11
User I/O 0 Comms Quiet ......................................................... 8-11
User I/O 1 Comms Quiet ......................................................... 8-11
User I/O 2 Comms Quiet ......................................................... 8-11
User I/O 3 Comms Quiet ......................................................... 8-12
VGiNet ..................................................................................... 8-12
Checking Mass Alignment .......................................................... 8-12
Fault Diagnosis ................................................................... 9-1
Introduction ................................................................................... 9-1
Alarm Conditions .......................................................................... 9-1
Leak Detection .............................................................................. 9-4
Mass Spectrometer Faults ............................................................. 9-5
No Peaks .................................................................................... 9-5
Poor Sensitivity .......................................................................... 9-6
Poor Stability on Startup ............................................................ 9-6
Poor Results Following Calibration ........................................... 9-7
Ion Source and Magnet Pole Pieces Assembly .......................... 9-8
Filament Failure ............................................................................ 9-8
Maintenance ...................................................................... 10-1
Maintenance Schedule ................................................................ 10-1
Procedures ................................................................................... 10-1
Rotary Pump Oil Level ............................................................ 10-1
Cleaning the Cooling Fans ....................................................... 10-2
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