GE Analytical Instruments ©2006 DLM 14291 Rev. A
xiii
E 03 – Ozone Supply Pressure was Below the Limit.......................................................................
16-2
E 05 – Cooler Temperature Above the Limit................................................................................... 16-3
WARNINGS ..................................................................................................................................................... 16-3
W 09–Pump Oil Needs to be Replaced.............................................................................................. 16-4
W 10–Pump Oil Needs to be Replaced Soon..................................................................................... 16-4
W 11–Hopcalite Needs to be Replaced............................................................................................. 16-4
W 12–Hopcalite Needs to be Replaced Soon.................................................................................... 16-4
W 13–Reaction Cell Needs to be Cleaned ........................................................................................ 16-4
W 14–Reaction Cell Needs to be Cleaned Soon............................................................................... 16-4
W 15–Cooler Needs to be Serviced.................................................................................................... 16-5
W 16–Cooler Needs to be Serviced Soon.......................................................................................... 16-5
CLEARING THE ERROR AND WARNING STACKS ................................................................................................... 16-6
START-UP TESTS............................................................................................................................................. 16-6
Vacuum Pump....................................................................................................................................... 16-7
Cooler Temp......................................................................................................................................... 16-7
Supply Pressure.................................................................................................................................... 16-7
PMT Signal............................................................................................................................................. 16-7
TROUBLESHOOTING THE NOA.......................................................................................................................... 16-8
No Power to NOA.................................................................................................................................. 16-9
No Display............................................................................................................................................ 16-10
CELL PRESSURE TOO HIGH OR TOO LOW......................................................................................................... 16-11
GAS SAMPLING PROBLEMS.............................................................................................................................. 16-11
HIGH BACKGROUND NO AFTER CALIBRATION.................................................................................................. 16-12
LIQUID MEASUREMENTS PROBLEMS ................................................................................................................. 16-12
Low Sensitivity.................................................................................................................................................16-12
Leaks in Purge System....................................................................................................................................16-13
Low Conversion for Nitrate............................................................................................................................16-13
Poor Repeatability............................................................................................................................. 16-13
Syringe Problems.............................................................................................................................................16-14
Foaming of theVCl
3
Reagent..........................................................................................................................16-14
Injection Technique........................................................................................................................................16-14
Contamination .................................................................................................................................................16-14
High background Signal and Rising Baselines................................................................................ 16-15
Ghost Peaks......................................................................................................................................... 16-15
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