Troubleshooting - AB Sciex 4500 Series System User's Manual

Turbo V™ Ion Source User Reference
4. Replace the sample tubing with the same length of tubing used previously.
5. Install the ion source. Refer to
6. Resume the sample flow.

Troubleshooting

Table A-4 Troubleshooting
Symptom
®
The Analyst software reports
that the mass spectrometer is in
Fault status.
The Analyst software indicates
that the APCI probe is in use,
but the TurboIonSpray® probe is
installed.
The spray is not uniform.
Sensitivity is poor.
During testing, the ion source
fails to meet specifications.
Background noise is high.
4500 Series of Instruments
122 of 142
Install the Ion Source on page
Possible cause
The probe is not installed.
The probe is not connected
securely.
F3 fuse is blown.
The electrode is blocked.
Solvent vapor or other
unknown compounds are
present in the analyzer region.
The mass spectrometer has
not passed the installation
tests.
The test solution was not
prepared correctly.
Temperature (TEM) is too
high.
Heater gas flow rate (GS2) is
too high.
109.
Solution
Install the probe. Refer to
Install the Probe in the Ion
Source Housing on
page 109.
Remove and replace the
probe. Tighten the probe
connection bronze ring
securely. Refer to Remove
the Probe on page 117
Install the Probe in the Ion
Source Housing on
page 109.
Contact an FSE.
Clean or replace the
electrode. Refer to Clean the
Electrode Tube on page
Optimize the Curtain Gas™
flow. Refer to Optimize the
®
TurboIonSpray Probe on
page 111 or Optimize the
APCI Probe on page 114.
Perform installation tests on
the mass spectrometer with
the default source.
Confirm that the test
solutions were prepared
correctly.
If the problem cannot be
resolved, contact an FSE.
Optimize the temperature.
Optimize heater gas flow.
System User Guide
Document Number: D5030863 A
and
118.